425005240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{87811}}^1$

素因数の和:87844

約数の個数: 48

約数和(自身を含む): 1051109640

約数和(自身を除く): 626104400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 87811, 175622, 351244, 439055, 702488, 878110, 965921, 1756220, 1931842, 3512440, 3863684, 4829605, 7727368, 9659210, 10625131, 19318420, 21250262, 38636840, 42500524, 53125655, 85001048, 106251310, 212502620, 425005240]

約数ペア:

[(1, 425005240), (2, 212502620), (4, 106251310), (5, 85001048), (8, 53125655), (10, 42500524), (11, 38636840), (20, 21250262), (22, 19318420), (40, 10625131), (44, 9659210), (55, 7727368), (88, 4829605), (110, 3863684), (121, 3512440), (220, 1931842), (242, 1756220), (440, 965921), (484, 878110), (605, 702488), (968, 439055), (1210, 351244), (2420, 175622), (4840, 87811)]