1248049360

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{219727}}^1$

素因数の和:219811

約数の個数: 40

約数和(自身を含む): 2942597376

約数和(自身を除く): 1694548016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 219727, 439454, 878908, 1098635, 1757816, 2197270, 3515632, 4394540, 8789080, 15600617, 17578160, 31201234, 62402468, 78003085, 124804936, 156006170, 249609872, 312012340, 624024680, 1248049360]

約数ペア:

[(1, 1248049360), (2, 624024680), (4, 312012340), (5, 249609872), (8, 156006170), (10, 124804936), (16, 78003085), (20, 62402468), (40, 31201234), (71, 17578160), (80, 15600617), (142, 8789080), (284, 4394540), (355, 3515632), (568, 2197270), (710, 1757816), (1136, 1098635), (1420, 878908), (2840, 439454), (5680, 219727)]