20180149600

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1940399}}^1$

素因数の和:1940432

約数の個数: 72

約数和(自身を含む): 53054416800

約数和(自身を除く): 32874267200

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 130, 160, 200, 208, 260, 325, 400, 416, 520, 650, 800, 1040, 1300, 2080, 2600, 5200, 10400, 1940399, 3880798, 7761596, 9701995, 15523192, 19403990, 25225187, 31046384, 38807980, 48509975, 50450374, 62092768, 77615960, 97019950, 100900748, 126125935, 155231920, 194039900, 201801496, 252251870, 310463840, 388079800, 403602992, 504503740, 630629675, 776159600, 807205984, 1009007480, 1261259350, 1552319200, 2018014960, 2522518700, 4036029920, 5045037400, 10090074800, 20180149600]

約数ペア:

[(1, 20180149600), (2, 10090074800), (4, 5045037400), (5, 4036029920), (8, 2522518700), (10, 2018014960), (13, 1552319200), (16, 1261259350), (20, 1009007480), (25, 807205984), (26, 776159600), (32, 630629675), (40, 504503740), (50, 403602992), (52, 388079800), (65, 310463840), (80, 252251870), (100, 201801496), (104, 194039900), (130, 155231920), (160, 126125935), (200, 100900748), (208, 97019950), (260, 77615960), (325, 62092768), (400, 50450374), (416, 48509975), (520, 38807980), (650, 31046384), (800, 25225187), (1040, 19403990), (1300, 15523192), (2080, 9701995), (2600, 7761596), (5200, 3880798), (10400, 1940399)]