23740730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:231

約数の個数: 64

約数和(自身を含む): 48964608

約数和(自身を除く): 25223878

約数列:

[1, 2, 5, 10, 13, 26, 31, 43, 62, 65, 86, 130, 137, 155, 215, 274, 310, 403, 430, 559, 685, 806, 1118, 1333, 1370, 1781, 2015, 2666, 2795, 3562, 4030, 4247, 5590, 5891, 6665, 8494, 8905, 11782, 13330, 17329, 17810, 21235, 29455, 34658, 42470, 55211, 58910, 76583, 86645, 110422, 153166, 173290, 182621, 276055, 365242, 382915, 552110, 765830, 913105, 1826210, 2374073, 4748146, 11870365, 23740730]

約数ペア:

[(1, 23740730), (2, 11870365), (5, 4748146), (10, 2374073), (13, 1826210), (26, 913105), (31, 765830), (43, 552110), (62, 382915), (65, 365242), (86, 276055), (130, 182621), (137, 173290), (155, 153166), (215, 110422), (274, 86645), (310, 76583), (403, 58910), (430, 55211), (559, 42470), (685, 34658), (806, 29455), (1118, 21235), (1333, 17810), (1370, 17329), (1781, 13330), (2015, 11782), (2666, 8905), (2795, 8494), (3562, 6665), (4030, 5891), (4247, 5590)]