40178450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{61813}}^1$

素因数の和:61838

約数の個数: 24

約数和(自身を含む): 80481828

約数和(自身を除く): 40303378

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 61813, 123626, 309065, 618130, 803569, 1545325, 1607138, 3090650, 4017845, 8035690, 20089225, 40178450]

約数ペア:

[(1, 40178450), (2, 20089225), (5, 8035690), (10, 4017845), (13, 3090650), (25, 1607138), (26, 1545325), (50, 803569), (65, 618130), (130, 309065), (325, 123626), (650, 61813)]