80651610040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1586381}}^1$

素因数の和:1586464

約数の個数: 64

約数和(自身を含む): 191888766720

約数和(自身を除く): 111237156680

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, 2542, 5084, 6355, 10168, 12710, 25420, 50840, 1586381, 3172762, 6345524, 7931905, 12691048, 15863810, 31727620, 49177811, 63455240, 65041621, 98355622, 130083242, 196711244, 245889055, 260166484, 325208105, 393422488, 491778110, 520332968, 650416210, 983556220, 1300832420, 1967112440, 2016290251, 2601664840, 4032580502, 8065161004, 10081451255, 16130322008, 20162902510, 40325805020, 80651610040]

約数ペア:

[(1, 80651610040), (2, 40325805020), (4, 20162902510), (5, 16130322008), (8, 10081451255), (10, 8065161004), (20, 4032580502), (31, 2601664840), (40, 2016290251), (41, 1967112440), (62, 1300832420), (82, 983556220), (124, 650416210), (155, 520332968), (164, 491778110), (205, 393422488), (248, 325208105), (310, 260166484), (328, 245889055), (410, 196711244), (620, 130083242), (820, 98355622), (1240, 65041621), (1271, 63455240), (1640, 49177811), (2542, 31727620), (5084, 15863810), (6355, 12691048), (10168, 7931905), (12710, 6345524), (25420, 3172762), (50840, 1586381)]