19340000

素因数分解:

$2^5\times 5^4\times {\mathrm{967}}^1$

素因数の和:997

約数の個数: 60

約数和(自身を含む): 47628504

約数和(自身を除く): 28288504

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, 967, 1000, 1250, 1934, 2000, 2500, 3868, 4000, 4835, 5000, 7736, 9670, 10000, 15472, 19340, 20000, 24175, 30944, 38680, 48350, 77360, 96700, 120875, 154720, 193400, 241750, 386800, 483500, 604375, 773600, 967000, 1208750, 1934000, 2417500, 3868000, 4835000, 9670000, 19340000]

約数ペア:

[(1, 19340000), (2, 9670000), (4, 4835000), (5, 3868000), (8, 2417500), (10, 1934000), (16, 1208750), (20, 967000), (25, 773600), (32, 604375), (40, 483500), (50, 386800), (80, 241750), (100, 193400), (125, 154720), (160, 120875), (200, 96700), (250, 77360), (400, 48350), (500, 38680), (625, 30944), (800, 24175), (967, 20000), (1000, 19340), (1250, 15472), (1934, 10000), (2000, 9670), (2500, 7736), (3868, 5000), (4000, 4835)]