51964120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{7687}}^1$

素因数の和:7724

約数の個数: 48

約数和(自身を含む): 126621360

約数和(自身を除く): 74657240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 3380, 6760, 7687, 15374, 30748, 38435, 61496, 76870, 99931, 153740, 199862, 307480, 399724, 499655, 799448, 999310, 1299103, 1998620, 2598206, 3997240, 5196412, 6495515, 10392824, 12991030, 25982060, 51964120]

約数ペア:

[(1, 51964120), (2, 25982060), (4, 12991030), (5, 10392824), (8, 6495515), (10, 5196412), (13, 3997240), (20, 2598206), (26, 1998620), (40, 1299103), (52, 999310), (65, 799448), (104, 499655), (130, 399724), (169, 307480), (260, 199862), (338, 153740), (520, 99931), (676, 76870), (845, 61496), (1352, 38435), (1690, 30748), (3380, 15374), (6760, 7687)]