81594640

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^2\times {\mathrm{293}}^1$

素因数の和:424

約数の個数: 60

約数和(自身を含む): 193636044

約数和(自身を除く): 112041404

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 118, 236, 293, 295, 472, 586, 590, 944, 1172, 1180, 1465, 2344, 2360, 2930, 3481, 4688, 4720, 5860, 6962, 11720, 13924, 17287, 17405, 23440, 27848, 34574, 34810, 55696, 69148, 69620, 86435, 138296, 139240, 172870, 276592, 278480, 345740, 691480, 1019933, 1382960, 2039866, 4079732, 5099665, 8159464, 10199330, 16318928, 20398660, 40797320, 81594640]

約数ペア:

[(1, 81594640), (2, 40797320), (4, 20398660), (5, 16318928), (8, 10199330), (10, 8159464), (16, 5099665), (20, 4079732), (40, 2039866), (59, 1382960), (80, 1019933), (118, 691480), (236, 345740), (293, 278480), (295, 276592), (472, 172870), (586, 139240), (590, 138296), (944, 86435), (1172, 69620), (1180, 69148), (1465, 55696), (2344, 34810), (2360, 34574), (2930, 27848), (3481, 23440), (4688, 17405), (4720, 17287), (5860, 13924), (6962, 11720)]