61497740

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^2\times {\mathrm{1663}}^1$

素因数の和:1758

約数の個数: 36

約数和(自身を含む): 132297984

約数和(自身を除く): 70800244

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 1663, 1849, 3326, 3698, 6652, 7396, 8315, 9245, 16630, 18490, 33260, 36980, 71509, 143018, 286036, 357545, 715090, 1430180, 3074887, 6149774, 12299548, 15374435, 30748870, 61497740]

約数ペア:

[(1, 61497740), (2, 30748870), (4, 15374435), (5, 12299548), (10, 6149774), (20, 3074887), (43, 1430180), (86, 715090), (172, 357545), (215, 286036), (430, 143018), (860, 71509), (1663, 36980), (1849, 33260), (3326, 18490), (3698, 16630), (6652, 9245), (7396, 8315)]