64836160

素因数分解:

$2^6\times 5^1\times {\mathrm{202613}}^1$

素因数の和:202630

約数の個数: 28

約数和(自身を含む): 154391868

約数和(自身を除く): 89555708

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 202613, 405226, 810452, 1013065, 1620904, 2026130, 3241808, 4052260, 6483616, 8104520, 12967232, 16209040, 32418080, 64836160]

約数ペア:

[(1, 64836160), (2, 32418080), (4, 16209040), (5, 12967232), (8, 8104520), (10, 6483616), (16, 4052260), (20, 3241808), (32, 2026130), (40, 1620904), (64, 1013065), (80, 810452), (160, 405226), (320, 202613)]