804578420

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{307091}}^1$

素因数の和:307231

約数の個数: 24

約数和(自身を含む): 1702518048

約数和(自身を除く): 897939628

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 307091, 614182, 1228364, 1535455, 3070910, 6141820, 40228921, 80457842, 160915684, 201144605, 402289210, 804578420]

約数ペア:

[(1, 804578420), (2, 402289210), (4, 201144605), (5, 160915684), (10, 80457842), (20, 40228921), (131, 6141820), (262, 3070910), (524, 1535455), (655, 1228364), (1310, 614182), (2620, 307091)]