72169280

素因数分解:

$2^6\times 5^1\times {\mathrm{225529}}^1$

素因数の和:225546

約数の個数: 28

約数和(自身を含む): 171853860

約数和(自身を除く): 99684580

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 225529, 451058, 902116, 1127645, 1804232, 2255290, 3608464, 4510580, 7216928, 9021160, 14433856, 18042320, 36084640, 72169280]

約数ペア:

[(1, 72169280), (2, 36084640), (4, 18042320), (5, 14433856), (8, 9021160), (10, 7216928), (16, 4510580), (20, 3608464), (32, 2255290), (40, 1804232), (64, 1127645), (80, 902116), (160, 451058), (320, 225529)]