89220280

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{19739}}^1$

素因数の和:19863

約数の個数: 32

約数和(自身を含む): 202532400

約数和(自身を除く): 113312120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 19739, 39478, 78956, 98695, 157912, 197390, 394780, 789560, 2230507, 4461014, 8922028, 11152535, 17844056, 22305070, 44610140, 89220280]

約数ペア:

[(1, 89220280), (2, 44610140), (4, 22305070), (5, 17844056), (8, 11152535), (10, 8922028), (20, 4461014), (40, 2230507), (113, 789560), (226, 394780), (452, 197390), (565, 157912), (904, 98695), (1130, 78956), (2260, 39478), (4520, 19739)]