20180180800

素因数分解:

$2^6\times 5^2\times {\mathrm{13}}^1\times {\mathrm{970201}}^1$

素因数の和:970236

約数の個数: 84

約数和(自身を含む): 53475593836

約数和(自身を除く): 33295413036

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 130, 160, 200, 208, 260, 320, 325, 400, 416, 520, 650, 800, 832, 1040, 1300, 1600, 2080, 2600, 4160, 5200, 10400, 20800, 970201, 1940402, 3880804, 4851005, 7761608, 9702010, 12612613, 15523216, 19404020, 24255025, 25225226, 31046432, 38808040, 48510050, 50450452, 62092864, 63063065, 77616080, 97020100, 100900904, 126126130, 155232160, 194040200, 201801808, 252252260, 310464320, 315315325, 388080400, 403603616, 504504520, 630630650, 776160800, 807207232, 1009009040, 1261261300, 1552321600, 2018018080, 2522522600, 4036036160, 5045045200, 10090090400, 20180180800]

約数ペア:

[(1, 20180180800), (2, 10090090400), (4, 5045045200), (5, 4036036160), (8, 2522522600), (10, 2018018080), (13, 1552321600), (16, 1261261300), (20, 1009009040), (25, 807207232), (26, 776160800), (32, 630630650), (40, 504504520), (50, 403603616), (52, 388080400), (64, 315315325), (65, 310464320), (80, 252252260), (100, 201801808), (104, 194040200), (130, 155232160), (160, 126126130), (200, 100900904), (208, 97020100), (260, 77616080), (320, 63063065), (325, 62092864), (400, 50450452), (416, 48510050), (520, 38808040), (650, 31046432), (800, 25225226), (832, 24255025), (1040, 19404020), (1300, 15523216), (1600, 12612613), (2080, 9702010), (2600, 7761608), (4160, 4851005), (5200, 3880804), (10400, 1940402), (20800, 970201)]