320202280

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{77719}}^1$

素因数の和:77833

約数の個数: 32

約数和(自身を含む): 727459200

約数和(自身を除く): 407256920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 77719, 155438, 310876, 388595, 621752, 777190, 1554380, 3108760, 8005057, 16010114, 32020228, 40025285, 64040456, 80050570, 160101140, 320202280]

約数ペア:

[(1, 320202280), (2, 160101140), (4, 80050570), (5, 64040456), (8, 40025285), (10, 32020228), (20, 16010114), (40, 8005057), (103, 3108760), (206, 1554380), (412, 777190), (515, 621752), (824, 388595), (1030, 310876), (2060, 155438), (4120, 77719)]