40403740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{155399}}^1$

素因数の和:155421

約数の個数: 24

約数和(自身を含む): 91375200

約数和(自身を除く): 50971460

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 155399, 310798, 621596, 776995, 1553990, 2020187, 3107980, 4040374, 8080748, 10100935, 20201870, 40403740]

約数ペア:

[(1, 40403740), (2, 20201870), (4, 10100935), (5, 8080748), (10, 4040374), (13, 3107980), (20, 2020187), (26, 1553990), (52, 776995), (65, 621596), (130, 310798), (260, 155399)]