28130260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{74027}}^1$

素因数の和:74055

約数の個数: 24

約数和(自身を含む): 62183520

約数和(自身を除く): 34053260

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 74027, 148054, 296108, 370135, 740270, 1406513, 1480540, 2813026, 5626052, 7032565, 14065130, 28130260]

約数ペア:

[(1, 28130260), (2, 14065130), (4, 7032565), (5, 5626052), (10, 2813026), (19, 1480540), (20, 1406513), (38, 740270), (76, 370135), (95, 296108), (190, 148054), (380, 74027)]