65392520

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{7331}}^1$

素因数の和:7565

約数の個数: 32

約数和(自身を含む): 147813120

約数和(自身を除く): 82420600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 1115, 1784, 2230, 4460, 7331, 8920, 14662, 29324, 36655, 58648, 73310, 146620, 293240, 1634813, 3269626, 6539252, 8174065, 13078504, 16348130, 32696260, 65392520]

約数ペア:

[(1, 65392520), (2, 32696260), (4, 16348130), (5, 13078504), (8, 8174065), (10, 6539252), (20, 3269626), (40, 1634813), (223, 293240), (446, 146620), (892, 73310), (1115, 58648), (1784, 36655), (2230, 29324), (4460, 14662), (7331, 8920)]