40841980

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{13007}}^1$

素因数の和:13173

約数の個数: 24

約数和(自身を含む): 86321088

約数和(自身を除く): 45479108

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 13007, 26014, 52028, 65035, 130070, 260140, 2042099, 4084198, 8168396, 10210495, 20420990, 40841980]

約数ペア:

[(1, 40841980), (2, 20420990), (4, 10210495), (5, 8168396), (10, 4084198), (20, 2042099), (157, 260140), (314, 130070), (628, 65035), (785, 52028), (1570, 26014), (3140, 13007)]