19556304560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2521}}^1\times {\mathrm{7459}}^1$

素因数の和:10006

約数の個数: 80

約数和(自身を含む): 48991968480

約数和(自身を除く): 29435663920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 2521, 5042, 7459, 10084, 12605, 14918, 20168, 25210, 29836, 32773, 37295, 40336, 50420, 59672, 65546, 74590, 96967, 100840, 119344, 131092, 149180, 163865, 193934, 201680, 262184, 298360, 327730, 387868, 484835, 524368, 596720, 655460, 775736, 969670, 1310920, 1551472, 1939340, 2621840, 3878680, 7757360, 18804139, 37608278, 75216556, 94020695, 150433112, 188041390, 244453807, 300866224, 376082780, 488907614, 752165560, 977815228, 1222269035, 1504331120, 1955630456, 2444538070, 3911260912, 4889076140, 9778152280, 19556304560]

約数ペア:

[(1, 19556304560), (2, 9778152280), (4, 4889076140), (5, 3911260912), (8, 2444538070), (10, 1955630456), (13, 1504331120), (16, 1222269035), (20, 977815228), (26, 752165560), (40, 488907614), (52, 376082780), (65, 300866224), (80, 244453807), (104, 188041390), (130, 150433112), (208, 94020695), (260, 75216556), (520, 37608278), (1040, 18804139), (2521, 7757360), (5042, 3878680), (7459, 2621840), (10084, 1939340), (12605, 1551472), (14918, 1310920), (20168, 969670), (25210, 775736), (29836, 655460), (32773, 596720), (37295, 524368), (40336, 484835), (50420, 387868), (59672, 327730), (65546, 298360), (74590, 262184), (96967, 201680), (100840, 193934), (119344, 163865), (131092, 149180)]