52711820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{5303}}^1$

素因数の和:5390

約数の個数: 48

約数和(自身を含む): 128314368

約数和(自身を除く): 75602548

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 5303, 9940, 10606, 21212, 26515, 37121, 53030, 74242, 106060, 148484, 185605, 371210, 376513, 742420, 753026, 1506052, 1882565, 2635591, 3765130, 5271182, 7530260, 10542364, 13177955, 26355910, 52711820]

約数ペア:

[(1, 52711820), (2, 26355910), (4, 13177955), (5, 10542364), (7, 7530260), (10, 5271182), (14, 3765130), (20, 2635591), (28, 1882565), (35, 1506052), (70, 753026), (71, 742420), (140, 376513), (142, 371210), (284, 185605), (355, 148484), (497, 106060), (710, 74242), (994, 53030), (1420, 37121), (1988, 26515), (2485, 21212), (4970, 10606), (5303, 9940)]