25365530

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:239

約数の個数: 48

約数和(自身を含む): 49601376

約数和(自身を除く): 24235846

約数列:

[1, 2, 5, 10, 17, 34, 67, 85, 131, 134, 170, 262, 289, 335, 578, 655, 670, 1139, 1310, 1445, 2227, 2278, 2890, 4454, 5695, 8777, 11135, 11390, 17554, 19363, 22270, 37859, 38726, 43885, 75718, 87770, 96815, 149209, 189295, 193630, 298418, 378590, 746045, 1492090, 2536553, 5073106, 12682765, 25365530]

約数ペア:

[(1, 25365530), (2, 12682765), (5, 5073106), (10, 2536553), (17, 1492090), (34, 746045), (67, 378590), (85, 298418), (131, 193630), (134, 189295), (170, 149209), (262, 96815), (289, 87770), (335, 75718), (578, 43885), (655, 38726), (670, 37859), (1139, 22270), (1310, 19363), (1445, 17554), (2227, 11390), (2278, 11135), (2890, 8777), (4454, 5695)]