51045410

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:279

約数の個数: 64

約数和(自身を含む): 103680864

約数和(自身を除く): 52635454

約数列:

[1, 2, 5, 10, 13, 26, 41, 61, 65, 82, 122, 130, 157, 205, 305, 314, 410, 533, 610, 785, 793, 1066, 1570, 1586, 2041, 2501, 2665, 3965, 4082, 5002, 5330, 6437, 7930, 9577, 10205, 12505, 12874, 19154, 20410, 25010, 32185, 32513, 47885, 64370, 65026, 83681, 95770, 124501, 162565, 167362, 249002, 325130, 392657, 418405, 622505, 785314, 836810, 1245010, 1963285, 3926570, 5104541, 10209082, 25522705, 51045410]

約数ペア:

[(1, 51045410), (2, 25522705), (5, 10209082), (10, 5104541), (13, 3926570), (26, 1963285), (41, 1245010), (61, 836810), (65, 785314), (82, 622505), (122, 418405), (130, 392657), (157, 325130), (205, 249002), (305, 167362), (314, 162565), (410, 124501), (533, 95770), (610, 83681), (785, 65026), (793, 64370), (1066, 47885), (1570, 32513), (1586, 32185), (2041, 25010), (2501, 20410), (2665, 19154), (3965, 12874), (4082, 12505), (5002, 10205), (5330, 9577), (6437, 7930)]