80913950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{443}}^1$

素因数の和:749

約数の個数: 48

約数和(自身を含む): 163020816

約数和(自身を除く): 82106866

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 281, 325, 443, 562, 650, 886, 1405, 2215, 2810, 3653, 4430, 5759, 7025, 7306, 11075, 11518, 14050, 18265, 22150, 28795, 36530, 57590, 91325, 124483, 143975, 182650, 248966, 287950, 622415, 1244830, 1618279, 3112075, 3236558, 6224150, 8091395, 16182790, 40456975, 80913950]

約数ペア:

[(1, 80913950), (2, 40456975), (5, 16182790), (10, 8091395), (13, 6224150), (25, 3236558), (26, 3112075), (50, 1618279), (65, 1244830), (130, 622415), (281, 287950), (325, 248966), (443, 182650), (562, 143975), (650, 124483), (886, 91325), (1405, 57590), (2215, 36530), (2810, 28795), (3653, 22150), (4430, 18265), (5759, 14050), (7025, 11518), (7306, 11075)]