51902020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{293}}^1\times {\mathrm{521}}^1$

素因数の和:840

約数の個数: 48

約数和(自身を含む): 116021808

約数和(自身を除く): 64119788

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 293, 340, 521, 586, 1042, 1172, 1465, 2084, 2605, 2930, 4981, 5210, 5860, 8857, 9962, 10420, 17714, 19924, 24905, 35428, 44285, 49810, 88570, 99620, 152653, 177140, 305306, 610612, 763265, 1526530, 2595101, 3053060, 5190202, 10380404, 12975505, 25951010, 51902020]

約数ペア:

[(1, 51902020), (2, 25951010), (4, 12975505), (5, 10380404), (10, 5190202), (17, 3053060), (20, 2595101), (34, 1526530), (68, 763265), (85, 610612), (170, 305306), (293, 177140), (340, 152653), (521, 99620), (586, 88570), (1042, 49810), (1172, 44285), (1465, 35428), (2084, 24905), (2605, 19924), (2930, 17714), (4981, 10420), (5210, 9962), (5860, 8857)]