127788883240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{631}}^1\times {\mathrm{163321}}^1$

素因数の和:163994

約数の個数: 64

約数和(自身を含む): 297272171520

約数和(自身を除く): 169483288280

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 631, 1240, 1262, 2524, 3155, 5048, 6310, 12620, 19561, 25240, 39122, 78244, 97805, 156488, 163321, 195610, 326642, 391220, 653284, 782440, 816605, 1306568, 1633210, 3266420, 5062951, 6532840, 10125902, 20251804, 25314755, 40503608, 50629510, 101259020, 103055551, 202518040, 206111102, 412222204, 515277755, 824444408, 1030555510, 2061111020, 3194722081, 4122222040, 6389444162, 12778888324, 15973610405, 25557776648, 31947220810, 63894441620, 127788883240]

約数ペア:

[(1, 127788883240), (2, 63894441620), (4, 31947220810), (5, 25557776648), (8, 15973610405), (10, 12778888324), (20, 6389444162), (31, 4122222040), (40, 3194722081), (62, 2061111020), (124, 1030555510), (155, 824444408), (248, 515277755), (310, 412222204), (620, 206111102), (631, 202518040), (1240, 103055551), (1262, 101259020), (2524, 50629510), (3155, 40503608), (5048, 25314755), (6310, 20251804), (12620, 10125902), (19561, 6532840), (25240, 5062951), (39122, 3266420), (78244, 1633210), (97805, 1306568), (156488, 816605), (163321, 782440), (195610, 653284), (326642, 391220)]