20228788280

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1\times {\mathrm{883}}^1$

素因数の和:1225

約数の個数: 128

約数和(自身を含む): 47650075200

約数和(自身を除く): 27421286920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 61, 82, 122, 164, 205, 229, 244, 305, 328, 410, 458, 488, 610, 820, 883, 916, 1145, 1220, 1640, 1766, 1832, 2290, 2440, 2501, 3532, 4415, 4580, 5002, 7064, 8830, 9160, 9389, 10004, 12505, 13969, 17660, 18778, 20008, 25010, 27938, 35320, 36203, 37556, 46945, 50020, 53863, 55876, 69845, 72406, 75112, 93890, 100040, 107726, 111752, 139690, 144812, 181015, 187780, 202207, 215452, 269315, 279380, 289624, 362030, 375560, 404414, 430904, 538630, 558760, 572729, 724060, 808828, 1011035, 1077260, 1145458, 1448120, 1617656, 2022070, 2154520, 2208383, 2290916, 2863645, 4044140, 4416766, 4581832, 5727290, 8088280, 8290487, 8833532, 11041915, 11454580, 12334627, 16580974, 17667064, 22083830, 22909160, 24669254, 33161948, 41452435, 44167660, 49338508, 61673135, 66323896, 82904870, 88335320, 98677016, 123346270, 165809740, 246692540, 331619480, 493385080, 505719707, 1011439414, 2022878828, 2528598535, 4045757656, 5057197070, 10114394140, 20228788280]

約数ペア:

[(1, 20228788280), (2, 10114394140), (4, 5057197070), (5, 4045757656), (8, 2528598535), (10, 2022878828), (20, 1011439414), (40, 505719707), (41, 493385080), (61, 331619480), (82, 246692540), (122, 165809740), (164, 123346270), (205, 98677016), (229, 88335320), (244, 82904870), (305, 66323896), (328, 61673135), (410, 49338508), (458, 44167660), (488, 41452435), (610, 33161948), (820, 24669254), (883, 22909160), (916, 22083830), (1145, 17667064), (1220, 16580974), (1640, 12334627), (1766, 11454580), (1832, 11041915), (2290, 8833532), (2440, 8290487), (2501, 8088280), (3532, 5727290), (4415, 4581832), (4580, 4416766), (5002, 4044140), (7064, 2863645), (8830, 2290916), (9160, 2208383), (9389, 2154520), (10004, 2022070), (12505, 1617656), (13969, 1448120), (17660, 1145458), (18778, 1077260), (20008, 1011035), (25010, 808828), (27938, 724060), (35320, 572729), (36203, 558760), (37556, 538630), (46945, 430904), (50020, 404414), (53863, 375560), (55876, 362030), (69845, 289624), (72406, 279380), (75112, 269315), (93890, 215452), (100040, 202207), (107726, 187780), (111752, 181015), (139690, 144812)]