40245790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{309583}}^1$

素因数の和:309603

約数の個数: 16

約数和(自身を含む): 78015168

約数和(自身を除く): 37769378

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 309583, 619166, 1547915, 3095830, 4024579, 8049158, 20122895, 40245790]

約数ペア:

[(1, 40245790), (2, 20122895), (5, 8049158), (10, 4024579), (13, 3095830), (26, 1547915), (65, 619166), (130, 309583)]