421444160

素因数分解:

$2^6\times 5^1\times {\mathrm{1317013}}^1$

素因数の和:1317030

約数の個数: 28

約数和(自身を含む): 1003564668

約数和(自身を除く): 582120508

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 1317013, 2634026, 5268052, 6585065, 10536104, 13170130, 21072208, 26340260, 42144416, 52680520, 84288832, 105361040, 210722080, 421444160]

約数ペア:

[(1, 421444160), (2, 210722080), (4, 105361040), (5, 84288832), (8, 52680520), (10, 42144416), (16, 26340260), (20, 21072208), (32, 13170130), (40, 10536104), (64, 6585065), (80, 5268052), (160, 2634026), (320, 1317013)]