66506925440

素因数分解:

$2^7\times 5^1\times {\mathrm{389}}^1\times {\mathrm{267139}}^1$

素因数の和:267547

約数の個数: 64

約数和(自身を含む): 159402438000

約数和(自身を除く): 92895512560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 389, 640, 778, 1556, 1945, 3112, 3890, 6224, 7780, 12448, 15560, 24896, 31120, 49792, 62240, 124480, 248960, 267139, 534278, 1068556, 1335695, 2137112, 2671390, 4274224, 5342780, 8548448, 10685560, 17096896, 21371120, 34193792, 42742240, 85484480, 103917071, 170968960, 207834142, 415668284, 519585355, 831336568, 1039170710, 1662673136, 2078341420, 3325346272, 4156682840, 6650692544, 8313365680, 13301385088, 16626731360, 33253462720, 66506925440]

約数ペア:

[(1, 66506925440), (2, 33253462720), (4, 16626731360), (5, 13301385088), (8, 8313365680), (10, 6650692544), (16, 4156682840), (20, 3325346272), (32, 2078341420), (40, 1662673136), (64, 1039170710), (80, 831336568), (128, 519585355), (160, 415668284), (320, 207834142), (389, 170968960), (640, 103917071), (778, 85484480), (1556, 42742240), (1945, 34193792), (3112, 21371120), (3890, 17096896), (6224, 10685560), (7780, 8548448), (12448, 5342780), (15560, 4274224), (24896, 2671390), (31120, 2137112), (49792, 1335695), (62240, 1068556), (124480, 534278), (248960, 267139)]