28565290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{7577}}^1$

素因数の和:7626

約数の個数: 32

約数和(自身を含む): 57289680

約数和(自身を除く): 28724390

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 7577, 15154, 37885, 75770, 98501, 197002, 219733, 439466, 492505, 985010, 1098665, 2197330, 2856529, 5713058, 14282645, 28565290]

約数ペア:

[(1, 28565290), (2, 14282645), (5, 5713058), (10, 2856529), (13, 2197330), (26, 1098665), (29, 985010), (58, 492505), (65, 439466), (130, 219733), (145, 197002), (290, 98501), (377, 75770), (754, 37885), (1885, 15154), (3770, 7577)]