28571960

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{24631}}^1$

素因数の和:24671

約数の個数: 32

約数和(自身を含む): 66506400

約数和(自身を除く): 37934440

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 24631, 49262, 98524, 123155, 197048, 246310, 492620, 714299, 985240, 1428598, 2857196, 3571495, 5714392, 7142990, 14285980, 28571960]

約数ペア:

[(1, 28571960), (2, 14285980), (4, 7142990), (5, 5714392), (8, 3571495), (10, 2857196), (20, 1428598), (29, 985240), (40, 714299), (58, 492620), (116, 246310), (145, 197048), (232, 123155), (290, 98524), (580, 49262), (1160, 24631)]