89122520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1753}}^1$

素因数の和:1836

約数の個数: 64

約数和(自身を含む): 212163840

約数和(自身を除く): 123041320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 41, 62, 82, 124, 155, 164, 205, 248, 310, 328, 410, 620, 820, 1240, 1271, 1640, 1753, 2542, 3506, 5084, 6355, 7012, 8765, 10168, 12710, 14024, 17530, 25420, 35060, 50840, 54343, 70120, 71873, 108686, 143746, 217372, 271715, 287492, 359365, 434744, 543430, 574984, 718730, 1086860, 1437460, 2173720, 2228063, 2874920, 4456126, 8912252, 11140315, 17824504, 22280630, 44561260, 89122520]

約数ペア:

[(1, 89122520), (2, 44561260), (4, 22280630), (5, 17824504), (8, 11140315), (10, 8912252), (20, 4456126), (31, 2874920), (40, 2228063), (41, 2173720), (62, 1437460), (82, 1086860), (124, 718730), (155, 574984), (164, 543430), (205, 434744), (248, 359365), (310, 287492), (328, 271715), (410, 217372), (620, 143746), (820, 108686), (1240, 71873), (1271, 70120), (1640, 54343), (1753, 50840), (2542, 35060), (3506, 25420), (5084, 17530), (6355, 14024), (7012, 12710), (8765, 10168)]