15499900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{11923}}^1$

素因数の和:11950

約数の個数: 36

約数和(自身を含む): 36225112

約数和(自身を除く): 20725212

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 11923, 23846, 47692, 59615, 119230, 154999, 238460, 298075, 309998, 596150, 619996, 774995, 1192300, 1549990, 3099980, 3874975, 7749950, 15499900]

約数ペア:

[(1, 15499900), (2, 7749950), (4, 3874975), (5, 3099980), (10, 1549990), (13, 1192300), (20, 774995), (25, 619996), (26, 596150), (50, 309998), (52, 298075), (65, 238460), (100, 154999), (130, 119230), (260, 59615), (325, 47692), (650, 23846), (1300, 11923)]