80288590

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{167}}^1\times {\mathrm{367}}^1$

素因数の和:672

約数の個数: 32

約数和(自身を含む): 146893824

約数和(自身を除く): 66605234

約数列:

[1, 2, 5, 10, 131, 167, 262, 334, 367, 655, 734, 835, 1310, 1670, 1835, 3670, 21877, 43754, 48077, 61289, 96154, 109385, 122578, 218770, 240385, 306445, 480770, 612890, 8028859, 16057718, 40144295, 80288590]

約数ペア:

[(1, 80288590), (2, 40144295), (5, 16057718), (10, 8028859), (131, 612890), (167, 480770), (262, 306445), (334, 240385), (367, 218770), (655, 122578), (734, 109385), (835, 96154), (1310, 61289), (1670, 48077), (1835, 43754), (3670, 21877)]