25979984

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{52379}}^1$

素因数の和:52418

約数の個数: 20

約数和(自身を含む): 51960960

約数和(自身を除く): 25980976

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 52379, 104758, 209516, 419032, 838064, 1623749, 3247498, 6494996, 12989992, 25979984]

約数ペア:

[(1, 25979984), (2, 12989992), (4, 6494996), (8, 3247498), (16, 1623749), (31, 838064), (62, 419032), (124, 209516), (248, 104758), (496, 52379)]