80028650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{123121}}^1$

素因数の和:123146

約数の個数: 24

約数和(自身を含む): 160304844

約数和(自身を除く): 80276194

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 123121, 246242, 615605, 1231210, 1600573, 3078025, 3201146, 6156050, 8002865, 16005730, 40014325, 80028650]

約数ペア:

[(1, 80028650), (2, 40014325), (5, 16005730), (10, 8002865), (13, 6156050), (25, 3201146), (26, 3078025), (50, 1600573), (65, 1231210), (130, 615605), (325, 246242), (650, 123121)]