79742260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{306701}}^1$

素因数の和:306723

約数の個数: 24

約数和(自身を含む): 180340776

約数和(自身を除く): 100598516

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 306701, 613402, 1226804, 1533505, 3067010, 3987113, 6134020, 7974226, 15948452, 19935565, 39871130, 79742260]

約数ペア:

[(1, 79742260), (2, 39871130), (4, 19935565), (5, 15948452), (10, 7974226), (13, 6134020), (20, 3987113), (26, 3067010), (52, 1533505), (65, 1226804), (130, 613402), (260, 306701)]