28303600

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{5443}}^1$

素因数の和:5474

約数の個数: 60

約数和(自身を含む): 73243576

約数和(自身を除く): 44939976

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, 5443, 10886, 21772, 27215, 43544, 54430, 70759, 87088, 108860, 136075, 141518, 217720, 272150, 283036, 353795, 435440, 544300, 566072, 707590, 1088600, 1132144, 1415180, 1768975, 2177200, 2830360, 3537950, 5660720, 7075900, 14151800, 28303600]

約数ペア:

[(1, 28303600), (2, 14151800), (4, 7075900), (5, 5660720), (8, 3537950), (10, 2830360), (13, 2177200), (16, 1768975), (20, 1415180), (25, 1132144), (26, 1088600), (40, 707590), (50, 566072), (52, 544300), (65, 435440), (80, 353795), (100, 283036), (104, 272150), (130, 217720), (200, 141518), (208, 136075), (260, 108860), (325, 87088), (400, 70759), (520, 54430), (650, 43544), (1040, 27215), (1300, 21772), (2600, 10886), (5200, 5443)]