61472060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^3\times {\mathrm{1399}}^1$

素因数の和:1447

約数の個数: 48

約数和(自身を含む): 139944000

約数和(自身を除く): 78471940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1399, 1690, 2197, 2798, 3380, 4394, 5596, 6995, 8788, 10985, 13990, 18187, 21970, 27980, 36374, 43940, 72748, 90935, 181870, 236431, 363740, 472862, 945724, 1182155, 2364310, 3073603, 4728620, 6147206, 12294412, 15368015, 30736030, 61472060]

約数ペア:

[(1, 61472060), (2, 30736030), (4, 15368015), (5, 12294412), (10, 6147206), (13, 4728620), (20, 3073603), (26, 2364310), (52, 1182155), (65, 945724), (130, 472862), (169, 363740), (260, 236431), (338, 181870), (676, 90935), (845, 72748), (1399, 43940), (1690, 36374), (2197, 27980), (2798, 21970), (3380, 18187), (4394, 13990), (5596, 10985), (6995, 8788)]