40374490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{18269}}^1$

素因数の和:18306

約数の個数: 32

約数和(自身を含む): 82872720

約数和(自身を除く): 42498230

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 18269, 36538, 91345, 182690, 237497, 310573, 474994, 621146, 1187485, 1552865, 2374970, 3105730, 4037449, 8074898, 20187245, 40374490]

約数ペア:

[(1, 40374490), (2, 20187245), (5, 8074898), (10, 4037449), (13, 3105730), (17, 2374970), (26, 1552865), (34, 1187485), (65, 621146), (85, 474994), (130, 310573), (170, 237497), (221, 182690), (442, 91345), (1105, 36538), (2210, 18269)]