40884220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157247}}^1$

素因数の和:157269

約数の個数: 24

約数和(自身を含む): 92461824

約数和(自身を除く): 51577604

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 157247, 314494, 628988, 786235, 1572470, 2044211, 3144940, 4088422, 8176844, 10221055, 20442110, 40884220]

約数ペア:

[(1, 40884220), (2, 20442110), (4, 10221055), (5, 8176844), (10, 4088422), (13, 3144940), (20, 2044211), (26, 1572470), (52, 786235), (65, 628988), (130, 314494), (260, 157247)]