27178940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{743}}^1$

素因数の和:842

約数の個数: 48

約数和(自身を含む): 59996160

約数和(自身を除く): 32817220

約数列:

[1, 2, 4, 5, 10, 20, 31, 59, 62, 118, 124, 155, 236, 295, 310, 590, 620, 743, 1180, 1486, 1829, 2972, 3658, 3715, 7316, 7430, 9145, 14860, 18290, 23033, 36580, 43837, 46066, 87674, 92132, 115165, 175348, 219185, 230330, 438370, 460660, 876740, 1358947, 2717894, 5435788, 6794735, 13589470, 27178940]

約数ペア:

[(1, 27178940), (2, 13589470), (4, 6794735), (5, 5435788), (10, 2717894), (20, 1358947), (31, 876740), (59, 460660), (62, 438370), (118, 230330), (124, 219185), (155, 175348), (236, 115165), (295, 92132), (310, 87674), (590, 46066), (620, 43837), (743, 36580), (1180, 23033), (1486, 18290), (1829, 14860), (2972, 9145), (3658, 7430), (3715, 7316)]