51657580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{10457}}^1$

素因数の和:10498

約数の個数: 48

約数和(自身を含む): 122986080

約数和(自身を除く): 71328500

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 10457, 20914, 41828, 52285, 104570, 135941, 198683, 209140, 271882, 397366, 543764, 679705, 794732, 993415, 1359410, 1986830, 2582879, 2718820, 3973660, 5165758, 10331516, 12914395, 25828790, 51657580]

約数ペア:

[(1, 51657580), (2, 25828790), (4, 12914395), (5, 10331516), (10, 5165758), (13, 3973660), (19, 2718820), (20, 2582879), (26, 1986830), (38, 1359410), (52, 993415), (65, 794732), (76, 679705), (95, 543764), (130, 397366), (190, 271882), (247, 209140), (260, 198683), (380, 135941), (494, 104570), (988, 52285), (1235, 41828), (2470, 20914), (4940, 10457)]