31215693640

素因数分解:

$2^3\times 5^1\times {\mathrm{1831}}^1\times {\mathrm{426211}}^1$

素因数の和:428053

約数の個数: 32

約数和(自身を含む): 70273834560

約数和(自身を除く): 39058140920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1831, 3662, 7324, 9155, 14648, 18310, 36620, 73240, 426211, 852422, 1704844, 2131055, 3409688, 4262110, 8524220, 17048440, 780392341, 1560784682, 3121569364, 3901961705, 6243138728, 7803923410, 15607846820, 31215693640]

約数ペア:

[(1, 31215693640), (2, 15607846820), (4, 7803923410), (5, 6243138728), (8, 3901961705), (10, 3121569364), (20, 1560784682), (40, 780392341), (1831, 17048440), (3662, 8524220), (7324, 4262110), (9155, 3409688), (14648, 2131055), (18310, 1704844), (36620, 852422), (73240, 426211)]