80490560

素因数分解:

$2^6\times 5^1\times {\mathrm{251533}}^1$

素因数の和:251550

約数の個数: 28

約数和(自身を含む): 191668908

約数和(自身を除く): 111178348

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 251533, 503066, 1006132, 1257665, 2012264, 2515330, 4024528, 5030660, 8049056, 10061320, 16098112, 20122640, 40245280, 80490560]

約数ペア:

[(1, 80490560), (2, 40245280), (4, 20122640), (5, 16098112), (8, 10061320), (10, 8049056), (16, 5030660), (20, 4024528), (32, 2515330), (40, 2012264), (64, 1257665), (80, 1006132), (160, 503066), (320, 251533)]