87001850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{977}}^1$

素因数の和:1139

約数の個数: 48

約数和(自身を含む): 175723128

約数和(自身を除く): 88721278

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 137, 274, 325, 650, 685, 977, 1370, 1781, 1954, 3425, 3562, 4885, 6850, 8905, 9770, 12701, 17810, 24425, 25402, 44525, 48850, 63505, 89050, 127010, 133849, 267698, 317525, 635050, 669245, 1338490, 1740037, 3346225, 3480074, 6692450, 8700185, 17400370, 43500925, 87001850]

約数ペア:

[(1, 87001850), (2, 43500925), (5, 17400370), (10, 8700185), (13, 6692450), (25, 3480074), (26, 3346225), (50, 1740037), (65, 1338490), (130, 669245), (137, 635050), (274, 317525), (325, 267698), (650, 133849), (685, 127010), (977, 89050), (1370, 63505), (1781, 48850), (1954, 44525), (3425, 25402), (3562, 24425), (4885, 17810), (6850, 12701), (8905, 9770)]