71957080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1949}}^1$

素因数の和:2044

約数の個数: 64

約数和(自身を含む): 176904000

約数和(自身を除く): 104946920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 71, 104, 130, 142, 260, 284, 355, 520, 568, 710, 923, 1420, 1846, 1949, 2840, 3692, 3898, 4615, 7384, 7796, 9230, 9745, 15592, 18460, 19490, 25337, 36920, 38980, 50674, 77960, 101348, 126685, 138379, 202696, 253370, 276758, 506740, 553516, 691895, 1013480, 1107032, 1383790, 1798927, 2767580, 3597854, 5535160, 7195708, 8994635, 14391416, 17989270, 35978540, 71957080]

約数ペア:

[(1, 71957080), (2, 35978540), (4, 17989270), (5, 14391416), (8, 8994635), (10, 7195708), (13, 5535160), (20, 3597854), (26, 2767580), (40, 1798927), (52, 1383790), (65, 1107032), (71, 1013480), (104, 691895), (130, 553516), (142, 506740), (260, 276758), (284, 253370), (355, 202696), (520, 138379), (568, 126685), (710, 101348), (923, 77960), (1420, 50674), (1846, 38980), (1949, 36920), (2840, 25337), (3692, 19490), (3898, 18460), (4615, 15592), (7384, 9745), (7796, 9230)]