199629520

素因数分解:

$2^4\times 5^1\times {\mathrm{1321}}^1\times {\mathrm{1889}}^1$

素因数の和:3223

約数の個数: 40

約数和(自身を含む): 464735880

約数和(自身を除く): 265106360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1321, 1889, 2642, 3778, 5284, 6605, 7556, 9445, 10568, 13210, 15112, 18890, 21136, 26420, 30224, 37780, 52840, 75560, 105680, 151120, 2495369, 4990738, 9981476, 12476845, 19962952, 24953690, 39925904, 49907380, 99814760, 199629520]

約数ペア:

[(1, 199629520), (2, 99814760), (4, 49907380), (5, 39925904), (8, 24953690), (10, 19962952), (16, 12476845), (20, 9981476), (40, 4990738), (80, 2495369), (1321, 151120), (1889, 105680), (2642, 75560), (3778, 52840), (5284, 37780), (6605, 30224), (7556, 26420), (9445, 21136), (10568, 18890), (13210, 15112)]