42158350

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{821}}^1$

素因数の和:925

約数の個数: 48

約数和(自身を含む): 85619520

約数和(自身を除く): 43461170

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 79, 130, 158, 325, 395, 650, 790, 821, 1027, 1642, 1975, 2054, 3950, 4105, 5135, 8210, 10270, 10673, 20525, 21346, 25675, 41050, 51350, 53365, 64859, 106730, 129718, 266825, 324295, 533650, 648590, 843167, 1621475, 1686334, 3242950, 4215835, 8431670, 21079175, 42158350]

約数ペア:

[(1, 42158350), (2, 21079175), (5, 8431670), (10, 4215835), (13, 3242950), (25, 1686334), (26, 1621475), (50, 843167), (65, 648590), (79, 533650), (130, 324295), (158, 266825), (325, 129718), (395, 106730), (650, 64859), (790, 53365), (821, 51350), (1027, 41050), (1642, 25675), (1975, 21346), (2054, 20525), (3950, 10673), (4105, 10270), (5135, 8210)]