121081720

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{38317}}^1$

素因数の和:38407

約数の個数: 32

約数和(自身を含む): 275889600

約数和(自身を除く): 154807880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 38317, 76634, 153268, 191585, 306536, 383170, 766340, 1532680, 3027043, 6054086, 12108172, 15135215, 24216344, 30270430, 60540860, 121081720]

約数ペア:

[(1, 121081720), (2, 60540860), (4, 30270430), (5, 24216344), (8, 15135215), (10, 12108172), (20, 6054086), (40, 3027043), (79, 1532680), (158, 766340), (316, 383170), (395, 306536), (632, 191585), (790, 153268), (1580, 76634), (3160, 38317)]