6416380

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 14192640

約数和(自身を除く): 7776260

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 79, 124, 131, 155, 158, 262, 310, 316, 395, 524, 620, 655, 790, 1310, 1580, 2449, 2620, 4061, 4898, 8122, 9796, 10349, 12245, 16244, 20305, 20698, 24490, 40610, 41396, 48980, 51745, 81220, 103490, 206980, 320819, 641638, 1283276, 1604095, 3208190, 6416380]

約数ペア:

[(1, 6416380), (2, 3208190), (4, 1604095), (5, 1283276), (10, 641638), (20, 320819), (31, 206980), (62, 103490), (79, 81220), (124, 51745), (131, 48980), (155, 41396), (158, 40610), (262, 24490), (310, 20698), (316, 20305), (395, 16244), (524, 12245), (620, 10349), (655, 9796), (790, 8122), (1310, 4898), (1580, 4061), (2449, 2620)]