12825440

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1129}}^1$

素因数の和:1215

約数の個数: 48

約数和(自身を含む): 30754080

約数和(自身を除く): 17928640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 284, 355, 568, 710, 1129, 1136, 1420, 2258, 2272, 2840, 4516, 5645, 5680, 9032, 11290, 11360, 18064, 22580, 36128, 45160, 80159, 90320, 160318, 180640, 320636, 400795, 641272, 801590, 1282544, 1603180, 2565088, 3206360, 6412720, 12825440]

約数ペア:

[(1, 12825440), (2, 6412720), (4, 3206360), (5, 2565088), (8, 1603180), (10, 1282544), (16, 801590), (20, 641272), (32, 400795), (40, 320636), (71, 180640), (80, 160318), (142, 90320), (160, 80159), (284, 45160), (355, 36128), (568, 22580), (710, 18064), (1129, 11360), (1136, 11290), (1420, 9032), (2258, 5680), (2272, 5645), (2840, 4516)]