56304820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19687}}^1$

素因数の和:19720

約数の個数: 48

約数和(自身を含む): 138918528

約数和(自身を除く): 82613708

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, 19687, 39374, 78748, 98435, 196870, 216557, 255931, 393740, 433114, 511862, 866228, 1023724, 1082785, 1279655, 2165570, 2559310, 2815241, 4331140, 5118620, 5630482, 11260964, 14076205, 28152410, 56304820]

約数ペア:

[(1, 56304820), (2, 28152410), (4, 14076205), (5, 11260964), (10, 5630482), (11, 5118620), (13, 4331140), (20, 2815241), (22, 2559310), (26, 2165570), (44, 1279655), (52, 1082785), (55, 1023724), (65, 866228), (110, 511862), (130, 433114), (143, 393740), (220, 255931), (260, 216557), (286, 196870), (572, 98435), (715, 78748), (1430, 39374), (2860, 19687)]