200745920

素因数分解:

$2^6\times 5^1\times {\mathrm{439}}^1\times {\mathrm{1429}}^1$

素因数の和:1885

約数の個数: 56

約数和(自身を含む): 479450400

約数和(自身を除く): 278704480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 439, 878, 1429, 1756, 2195, 2858, 3512, 4390, 5716, 7024, 7145, 8780, 11432, 14048, 14290, 17560, 22864, 28096, 28580, 35120, 45728, 57160, 70240, 91456, 114320, 140480, 228640, 457280, 627331, 1254662, 2509324, 3136655, 5018648, 6273310, 10037296, 12546620, 20074592, 25093240, 40149184, 50186480, 100372960, 200745920]

約数ペア:

[(1, 200745920), (2, 100372960), (4, 50186480), (5, 40149184), (8, 25093240), (10, 20074592), (16, 12546620), (20, 10037296), (32, 6273310), (40, 5018648), (64, 3136655), (80, 2509324), (160, 1254662), (320, 627331), (439, 457280), (878, 228640), (1429, 140480), (1756, 114320), (2195, 91456), (2858, 70240), (3512, 57160), (4390, 45728), (5716, 35120), (7024, 28580), (7145, 28096), (8780, 22864), (11432, 17560), (14048, 14290)]