89758840

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{229}}^1\times {\mathrm{239}}^1$

素因数の和:520

約数の個数: 64

約数和(自身を含む): 208656000

約数和(自身を除く): 118897160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 229, 239, 328, 410, 458, 478, 820, 916, 956, 1145, 1195, 1640, 1832, 1912, 2290, 2390, 4580, 4780, 9160, 9389, 9560, 9799, 18778, 19598, 37556, 39196, 46945, 48995, 54731, 75112, 78392, 93890, 97990, 109462, 187780, 195980, 218924, 273655, 375560, 391960, 437848, 547310, 1094620, 2189240, 2243971, 4487942, 8975884, 11219855, 17951768, 22439710, 44879420, 89758840]

約数ペア:

[(1, 89758840), (2, 44879420), (4, 22439710), (5, 17951768), (8, 11219855), (10, 8975884), (20, 4487942), (40, 2243971), (41, 2189240), (82, 1094620), (164, 547310), (205, 437848), (229, 391960), (239, 375560), (328, 273655), (410, 218924), (458, 195980), (478, 187780), (820, 109462), (916, 97990), (956, 93890), (1145, 78392), (1195, 75112), (1640, 54731), (1832, 48995), (1912, 46945), (2290, 39196), (2390, 37556), (4580, 19598), (4780, 18778), (9160, 9799), (9389, 9560)]