28580000

素因数分解:

$2^5\times 5^4\times {\mathrm{1429}}^1$

素因数の和:1459

約数の個数: 60

約数和(自身を含む): 70360290

約数和(自身を除く): 41780290

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 625, 800, 1000, 1250, 1429, 2000, 2500, 2858, 4000, 5000, 5716, 7145, 10000, 11432, 14290, 20000, 22864, 28580, 35725, 45728, 57160, 71450, 114320, 142900, 178625, 228640, 285800, 357250, 571600, 714500, 893125, 1143200, 1429000, 1786250, 2858000, 3572500, 5716000, 7145000, 14290000, 28580000]

約数ペア:

[(1, 28580000), (2, 14290000), (4, 7145000), (5, 5716000), (8, 3572500), (10, 2858000), (16, 1786250), (20, 1429000), (25, 1143200), (32, 893125), (40, 714500), (50, 571600), (80, 357250), (100, 285800), (125, 228640), (160, 178625), (200, 142900), (250, 114320), (400, 71450), (500, 57160), (625, 45728), (800, 35725), (1000, 28580), (1250, 22864), (1429, 20000), (2000, 14290), (2500, 11432), (2858, 10000), (4000, 7145), (5000, 5716)]