51778480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{49787}}^1$

素因数の和:49813

約数の個数: 40

約数和(自身を含む): 129647952

約数和(自身を除く): 77869472

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 49787, 99574, 199148, 248935, 398296, 497870, 647231, 796592, 995740, 1294462, 1991480, 2588924, 3236155, 3982960, 5177848, 6472310, 10355696, 12944620, 25889240, 51778480]

約数ペア:

[(1, 51778480), (2, 25889240), (4, 12944620), (5, 10355696), (8, 6472310), (10, 5177848), (13, 3982960), (16, 3236155), (20, 2588924), (26, 1991480), (40, 1294462), (52, 995740), (65, 796592), (80, 647231), (104, 497870), (130, 398296), (208, 248935), (260, 199148), (520, 99574), (1040, 49787)]