538280080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{517577}}^1$

素因数の和:517603

約数の個数: 40

約数和(自身を含む): 1347773112

約数和(自身を除く): 809493032

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 517577, 1035154, 2070308, 2587885, 4140616, 5175770, 6728501, 8281232, 10351540, 13457002, 20703080, 26914004, 33642505, 41406160, 53828008, 67285010, 107656016, 134570020, 269140040, 538280080]

約数ペア:

[(1, 538280080), (2, 269140040), (4, 134570020), (5, 107656016), (8, 67285010), (10, 53828008), (13, 41406160), (16, 33642505), (20, 26914004), (26, 20703080), (40, 13457002), (52, 10351540), (65, 8281232), (80, 6728501), (104, 5175770), (130, 4140616), (208, 2587885), (260, 2070308), (520, 1035154), (1040, 517577)]