68582020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{13883}}^1$

素因数の和:13924

約数の個数: 48

約数和(自身を含む): 163275840

約数和(自身を除く): 94693820

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 13883, 27766, 55532, 69415, 138830, 180479, 263777, 277660, 360958, 527554, 721916, 902395, 1055108, 1318885, 1804790, 2637770, 3429101, 3609580, 5275540, 6858202, 13716404, 17145505, 34291010, 68582020]

約数ペア:

[(1, 68582020), (2, 34291010), (4, 17145505), (5, 13716404), (10, 6858202), (13, 5275540), (19, 3609580), (20, 3429101), (26, 2637770), (38, 1804790), (52, 1318885), (65, 1055108), (76, 902395), (95, 721916), (130, 527554), (190, 360958), (247, 277660), (260, 263777), (380, 180479), (494, 138830), (988, 69415), (1235, 55532), (2470, 27766), (4940, 13883)]