8696131280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5721139}}^1$

素因数の和:5721171

約数の個数: 40

約数和(自身を含む): 21282640800

約数和(自身を除く): 12586509520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 5721139, 11442278, 22884556, 28605695, 45769112, 57211390, 91538224, 108701641, 114422780, 217403282, 228845560, 434806564, 457691120, 543508205, 869613128, 1087016410, 1739226256, 2174032820, 4348065640, 8696131280]

約数ペア:

[(1, 8696131280), (2, 4348065640), (4, 2174032820), (5, 1739226256), (8, 1087016410), (10, 869613128), (16, 543508205), (19, 457691120), (20, 434806564), (38, 228845560), (40, 217403282), (76, 114422780), (80, 108701641), (95, 91538224), (152, 57211390), (190, 45769112), (304, 28605695), (380, 22884556), (760, 11442278), (1520, 5721139)]