28010982700

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{787}}^1\times {\mathrm{8681}}^1$

素因数の和:9523

約数の個数: 72

約数和(自身を含む): 62352665424

約数和(自身を除く): 34341682724

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 787, 820, 1025, 1574, 2050, 3148, 3935, 4100, 7870, 8681, 15740, 17362, 19675, 32267, 34724, 39350, 43405, 64534, 78700, 86810, 129068, 161335, 173620, 217025, 322670, 355921, 434050, 645340, 711842, 806675, 868100, 1423684, 1613350, 1779605, 3226700, 3559210, 6831947, 7118420, 8898025, 13663894, 17796050, 27327788, 34159735, 35592100, 68319470, 136638940, 170798675, 280109827, 341597350, 560219654, 683194700, 1120439308, 1400549135, 2801098270, 5602196540, 7002745675, 14005491350, 28010982700]

約数ペア:

[(1, 28010982700), (2, 14005491350), (4, 7002745675), (5, 5602196540), (10, 2801098270), (20, 1400549135), (25, 1120439308), (41, 683194700), (50, 560219654), (82, 341597350), (100, 280109827), (164, 170798675), (205, 136638940), (410, 68319470), (787, 35592100), (820, 34159735), (1025, 27327788), (1574, 17796050), (2050, 13663894), (3148, 8898025), (3935, 7118420), (4100, 6831947), (7870, 3559210), (8681, 3226700), (15740, 1779605), (17362, 1613350), (19675, 1423684), (32267, 868100), (34724, 806675), (39350, 711842), (43405, 645340), (64534, 434050), (78700, 355921), (86810, 322670), (129068, 217025), (161335, 173620)]