40854970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{2399}}^1$

素因数の和:2550

約数の個数: 32

約数和(自身を含む): 79833600

約数和(自身を除く): 38978630

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 131, 262, 655, 1310, 1703, 2399, 3406, 4798, 8515, 11995, 17030, 23990, 31187, 62374, 155935, 311870, 314269, 628538, 1571345, 3142690, 4085497, 8170994, 20427485, 40854970]

約数ペア:

[(1, 40854970), (2, 20427485), (5, 8170994), (10, 4085497), (13, 3142690), (26, 1571345), (65, 628538), (130, 314269), (131, 311870), (262, 155935), (655, 62374), (1310, 31187), (1703, 23990), (2399, 17030), (3406, 11995), (4798, 8515)]