80182940

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1\times {\mathrm{433}}^1$

素因数の和:686

約数の個数: 48

約数和(自身を含む): 173238912

約数和(自身を除く): 93055972

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 197, 235, 394, 433, 470, 788, 866, 940, 985, 1732, 1970, 2165, 3940, 4330, 8660, 9259, 18518, 20351, 37036, 40702, 46295, 81404, 85301, 92590, 101755, 170602, 185180, 203510, 341204, 407020, 426505, 853010, 1706020, 4009147, 8018294, 16036588, 20045735, 40091470, 80182940]

約数ペア:

[(1, 80182940), (2, 40091470), (4, 20045735), (5, 16036588), (10, 8018294), (20, 4009147), (47, 1706020), (94, 853010), (188, 426505), (197, 407020), (235, 341204), (394, 203510), (433, 185180), (470, 170602), (788, 101755), (866, 92590), (940, 85301), (985, 81404), (1732, 46295), (1970, 40702), (2165, 37036), (3940, 20351), (4330, 18518), (8660, 9259)]