80382580

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{223}}^1\times {\mathrm{269}}^1$

素因数の和:568

約数の個数: 48

約数和(自身を含む): 172730880

約数和(自身を除く): 92348300

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 223, 268, 269, 335, 446, 538, 670, 892, 1076, 1115, 1340, 1345, 2230, 2690, 4460, 5380, 14941, 18023, 29882, 36046, 59764, 59987, 72092, 74705, 90115, 119974, 149410, 180230, 239948, 298820, 299935, 360460, 599870, 1199740, 4019129, 8038258, 16076516, 20095645, 40191290, 80382580]

約数ペア:

[(1, 80382580), (2, 40191290), (4, 20095645), (5, 16076516), (10, 8038258), (20, 4019129), (67, 1199740), (134, 599870), (223, 360460), (268, 299935), (269, 298820), (335, 239948), (446, 180230), (538, 149410), (670, 119974), (892, 90115), (1076, 74705), (1115, 72092), (1340, 59987), (1345, 59764), (2230, 36046), (2690, 29882), (4460, 18023), (5380, 14941)]