87680485

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{431}}^1$

素因数の和:549

約数の個数: 32

約数和(自身を含む): 115706880

約数和(自身を除く): 28026395

約数列:

[1, 5, 23, 29, 61, 115, 145, 305, 431, 667, 1403, 1769, 2155, 3335, 7015, 8845, 9913, 12499, 26291, 40687, 49565, 62495, 131455, 203435, 287477, 604693, 762439, 1437385, 3023465, 3812195, 17536097, 87680485]

約数ペア:

[(1, 87680485), (5, 17536097), (23, 3812195), (29, 3023465), (61, 1437385), (115, 762439), (145, 604693), (305, 287477), (431, 203435), (667, 131455), (1403, 62495), (1769, 49565), (2155, 40687), (3335, 26291), (7015, 12499), (8845, 9913)]