404631520

素因数分解:

$2^5\times 5^1\times {\mathrm{421}}^1\times {\mathrm{6007}}^1$

素因数の和:6443

約数の個数: 48

約数和(自身を含む): 958372128

約数和(自身を除く): 553740608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 421, 842, 1684, 2105, 3368, 4210, 6007, 6736, 8420, 12014, 13472, 16840, 24028, 30035, 33680, 48056, 60070, 67360, 96112, 120140, 192224, 240280, 480560, 961120, 2528947, 5057894, 10115788, 12644735, 20231576, 25289470, 40463152, 50578940, 80926304, 101157880, 202315760, 404631520]

約数ペア:

[(1, 404631520), (2, 202315760), (4, 101157880), (5, 80926304), (8, 50578940), (10, 40463152), (16, 25289470), (20, 20231576), (32, 12644735), (40, 10115788), (80, 5057894), (160, 2528947), (421, 961120), (842, 480560), (1684, 240280), (2105, 192224), (3368, 120140), (4210, 96112), (6007, 67360), (6736, 60070), (8420, 48056), (12014, 33680), (13472, 30035), (16840, 24028)]