42871720

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{13567}}^1$

素因数の和:13657

約数の個数: 32

約数和(自身を含む): 97689600

約数和(自身を除く): 54817880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 13567, 27134, 54268, 67835, 108536, 135670, 271340, 542680, 1071793, 2143586, 4287172, 5358965, 8574344, 10717930, 21435860, 42871720]

約数ペア:

[(1, 42871720), (2, 21435860), (4, 10717930), (5, 8574344), (8, 5358965), (10, 4287172), (20, 2143586), (40, 1071793), (79, 542680), (158, 271340), (316, 135670), (395, 108536), (632, 67835), (790, 54268), (1580, 27134), (3160, 13567)]