628889080

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{120017}}^1$

素因数の和:120159

約数の個数: 32

約数和(自身を含む): 1425813840

約数和(自身を除く): 796924760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 120017, 240034, 480068, 600085, 960136, 1200170, 2400340, 4800680, 15722227, 31444454, 62888908, 78611135, 125777816, 157222270, 314444540, 628889080]

約数ペア:

[(1, 628889080), (2, 314444540), (4, 157222270), (5, 125777816), (8, 78611135), (10, 62888908), (20, 31444454), (40, 15722227), (131, 4800680), (262, 2400340), (524, 1200170), (655, 960136), (1048, 600085), (1310, 480068), (2620, 240034), (5240, 120017)]