61658740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{21559}}^1$

素因数の和:21592

約数の個数: 48

約数和(自身を含む): 152127360

約数和(自身を除く): 90468620

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 21559, 43118, 86236, 107795, 215590, 237149, 280267, 431180, 474298, 560534, 948596, 1121068, 1185745, 1401335, 2371490, 2802670, 3082937, 4742980, 5605340, 6165874, 12331748, 15414685, 30829370, 61658740]

約数ペア:

[(1, 61658740), (2, 30829370), (4, 15414685), (5, 12331748), (10, 6165874), (11, 5605340), (13, 4742980), (20, 3082937), (22, 2802670), (26, 2371490), (44, 1401335), (52, 1185745), (55, 1121068), (65, 948596), (110, 560534), (130, 474298), (143, 431180), (220, 280267), (260, 237149), (286, 215590), (572, 107795), (715, 86236), (1430, 43118), (2860, 21559)]