408066620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1569487}}^1$

素因数の和:1569509

約数の個数: 24

約数和(自身を含む): 922858944

約数和(自身を除く): 514792324

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1569487, 3138974, 6277948, 7847435, 15694870, 20403331, 31389740, 40806662, 81613324, 102016655, 204033310, 408066620]

約数ペア:

[(1, 408066620), (2, 204033310), (4, 102016655), (5, 81613324), (10, 40806662), (13, 31389740), (20, 20403331), (26, 15694870), (52, 7847435), (65, 6277948), (130, 3138974), (260, 1569487)]