99998600

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{38461}}^1$

素因数の和:38490

約数の個数: 48

約数和(自身を含む): 250387620

約数和(自身を除く): 150389020

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 38461, 76922, 153844, 192305, 307688, 384610, 499993, 769220, 961525, 999986, 1538440, 1923050, 1999972, 2499965, 3846100, 3999944, 4999930, 7692200, 9999860, 12499825, 19999720, 24999650, 49999300, 99998600]

約数ペア:

[(1, 99998600), (2, 49999300), (4, 24999650), (5, 19999720), (8, 12499825), (10, 9999860), (13, 7692200), (20, 4999930), (25, 3999944), (26, 3846100), (40, 2499965), (50, 1999972), (52, 1923050), (65, 1538440), (100, 999986), (104, 961525), (130, 769220), (200, 499993), (260, 384610), (325, 307688), (520, 192305), (650, 153844), (1300, 76922), (2600, 38461)]