515594920

素因数分解:

$2^3\times 5^1\times {\mathrm{2521}}^1\times {\mathrm{5113}}^1$

素因数の和:7645

約数の個数: 32

約数和(自身を含む): 1160775720

約数和(自身を除く): 645180800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2521, 5042, 5113, 10084, 10226, 12605, 20168, 20452, 25210, 25565, 40904, 50420, 51130, 100840, 102260, 204520, 12889873, 25779746, 51559492, 64449365, 103118984, 128898730, 257797460, 515594920]

約数ペア:

[(1, 515594920), (2, 257797460), (4, 128898730), (5, 103118984), (8, 64449365), (10, 51559492), (20, 25779746), (40, 12889873), (2521, 204520), (5042, 102260), (5113, 100840), (10084, 51130), (10226, 50420), (12605, 40904), (20168, 25565), (20452, 25210)]