25381490

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{41609}}^1$

素因数の和:41677

約数の個数: 16

約数和(自身を含む): 46436760

約数和(自身を除く): 21055270

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 41609, 83218, 208045, 416090, 2538149, 5076298, 12690745, 25381490]

約数ペア:

[(1, 25381490), (2, 12690745), (5, 5076298), (10, 2538149), (61, 416090), (122, 208045), (305, 83218), (610, 41609)]