90118480

素因数分解:

$2^4\times 5^1\times {\mathrm{977}}^1\times {\mathrm{1153}}^1$

素因数の和:2143

約数の個数: 40

約数和(自身を含む): 209921832

約数和(自身を除く): 119803352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 977, 1153, 1954, 2306, 3908, 4612, 4885, 5765, 7816, 9224, 9770, 11530, 15632, 18448, 19540, 23060, 39080, 46120, 78160, 92240, 1126481, 2252962, 4505924, 5632405, 9011848, 11264810, 18023696, 22529620, 45059240, 90118480]

約数ペア:

[(1, 90118480), (2, 45059240), (4, 22529620), (5, 18023696), (8, 11264810), (10, 9011848), (16, 5632405), (20, 4505924), (40, 2252962), (80, 1126481), (977, 92240), (1153, 78160), (1954, 46120), (2306, 39080), (3908, 23060), (4612, 19540), (4885, 18448), (5765, 15632), (7816, 11530), (9224, 9770)]