55145000

素因数分解:

$2^3\times 5^4\times {\mathrm{41}}^1\times {\mathrm{269}}^1$

素因数の和:336

約数の個数: 80

約数和(自身を含む): 132848100

約数和(自身を除く): 77703100

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 125, 164, 200, 205, 250, 269, 328, 410, 500, 538, 625, 820, 1000, 1025, 1076, 1250, 1345, 1640, 2050, 2152, 2500, 2690, 4100, 5000, 5125, 5380, 6725, 8200, 10250, 10760, 11029, 13450, 20500, 22058, 25625, 26900, 33625, 41000, 44116, 51250, 53800, 55145, 67250, 88232, 102500, 110290, 134500, 168125, 205000, 220580, 269000, 275725, 336250, 441160, 551450, 672500, 1102900, 1345000, 1378625, 2205800, 2757250, 5514500, 6893125, 11029000, 13786250, 27572500, 55145000]

約数ペア:

[(1, 55145000), (2, 27572500), (4, 13786250), (5, 11029000), (8, 6893125), (10, 5514500), (20, 2757250), (25, 2205800), (40, 1378625), (41, 1345000), (50, 1102900), (82, 672500), (100, 551450), (125, 441160), (164, 336250), (200, 275725), (205, 269000), (250, 220580), (269, 205000), (328, 168125), (410, 134500), (500, 110290), (538, 102500), (625, 88232), (820, 67250), (1000, 55145), (1025, 53800), (1076, 51250), (1250, 44116), (1345, 41000), (1640, 33625), (2050, 26900), (2152, 25625), (2500, 22058), (2690, 20500), (4100, 13450), (5000, 11029), (5125, 10760), (5380, 10250), (6725, 8200)]