65358800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{12569}}^1$

素因数の和:12600

約数の個数: 60

約数和(自身を含む): 169116780

約数和(自身を除く): 103757980

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 2600, 5200, 12569, 25138, 50276, 62845, 100552, 125690, 163397, 201104, 251380, 314225, 326794, 502760, 628450, 653588, 816985, 1005520, 1256900, 1307176, 1633970, 2513800, 2614352, 3267940, 4084925, 5027600, 6535880, 8169850, 13071760, 16339700, 32679400, 65358800]

約数ペア:

[(1, 65358800), (2, 32679400), (4, 16339700), (5, 13071760), (8, 8169850), (10, 6535880), (13, 5027600), (16, 4084925), (20, 3267940), (25, 2614352), (26, 2513800), (40, 1633970), (50, 1307176), (52, 1256900), (65, 1005520), (80, 816985), (100, 653588), (104, 628450), (130, 502760), (200, 326794), (208, 314225), (260, 251380), (325, 201104), (400, 163397), (520, 125690), (650, 100552), (1040, 62845), (1300, 50276), (2600, 25138), (5200, 12569)]