5188720

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{821}}^1$

素因数の和:913

約数の個数: 40

約数和(自身を含む): 12231360

約数和(自身を除く): 7042640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 821, 1264, 1580, 1642, 3160, 3284, 4105, 6320, 6568, 8210, 13136, 16420, 32840, 64859, 65680, 129718, 259436, 324295, 518872, 648590, 1037744, 1297180, 2594360, 5188720]

約数ペア:

[(1, 5188720), (2, 2594360), (4, 1297180), (5, 1037744), (8, 648590), (10, 518872), (16, 324295), (20, 259436), (40, 129718), (79, 65680), (80, 64859), (158, 32840), (316, 16420), (395, 13136), (632, 8210), (790, 6568), (821, 6320), (1264, 4105), (1580, 3284), (1642, 3160)]