40631824

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{81919}}^1$

素因数の和:81958

約数の個数: 20

約数和(自身を含む): 81264640

約数和(自身を除く): 40632816

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 81919, 163838, 327676, 655352, 1310704, 2539489, 5078978, 10157956, 20315912, 40631824]

約数ペア:

[(1, 40631824), (2, 20315912), (4, 10157956), (8, 5078978), (16, 2539489), (31, 1310704), (62, 655352), (124, 327676), (248, 163838), (496, 81919)]