31153460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^3\times {\mathrm{709}}^1$

素因数の和:757

約数の個数: 48

約数和(自身を含む): 70971600

約数和(自身を除く): 39818140

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 709, 845, 1418, 1690, 2197, 2836, 3380, 3545, 4394, 7090, 8788, 9217, 10985, 14180, 18434, 21970, 36868, 43940, 46085, 92170, 119821, 184340, 239642, 479284, 599105, 1198210, 1557673, 2396420, 3115346, 6230692, 7788365, 15576730, 31153460]

約数ペア:

[(1, 31153460), (2, 15576730), (4, 7788365), (5, 6230692), (10, 3115346), (13, 2396420), (20, 1557673), (26, 1198210), (52, 599105), (65, 479284), (130, 239642), (169, 184340), (260, 119821), (338, 92170), (676, 46085), (709, 43940), (845, 36868), (1418, 21970), (1690, 18434), (2197, 14180), (2836, 10985), (3380, 9217), (3545, 8788), (4394, 7090)]