64538240

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7757}}^1$

素因数の和:7789

約数の個数: 64

約数和(自身を含む): 166176360

約数和(自身を除く): 101638120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 4160, 7757, 8320, 15514, 31028, 38785, 62056, 77570, 100841, 124112, 155140, 201682, 248224, 310280, 403364, 496448, 504205, 620560, 806728, 992896, 1008410, 1241120, 1613456, 2016820, 2482240, 3226912, 4033640, 4964480, 6453824, 8067280, 12907648, 16134560, 32269120, 64538240]

約数ペア:

[(1, 64538240), (2, 32269120), (4, 16134560), (5, 12907648), (8, 8067280), (10, 6453824), (13, 4964480), (16, 4033640), (20, 3226912), (26, 2482240), (32, 2016820), (40, 1613456), (52, 1241120), (64, 1008410), (65, 992896), (80, 806728), (104, 620560), (128, 504205), (130, 496448), (160, 403364), (208, 310280), (260, 248224), (320, 201682), (416, 155140), (520, 124112), (640, 100841), (832, 77570), (1040, 62056), (1664, 38785), (2080, 31028), (4160, 15514), (7757, 8320)]