121470920

素因数分解:

$2^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{7573}}^1$

素因数の和:7985

約数の個数: 32

約数和(自身を含む): 274027320

約数和(自身を除く): 152556400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 401, 802, 1604, 2005, 3208, 4010, 7573, 8020, 15146, 16040, 30292, 37865, 60584, 75730, 151460, 302920, 3036773, 6073546, 12147092, 15183865, 24294184, 30367730, 60735460, 121470920]

約数ペア:

[(1, 121470920), (2, 60735460), (4, 30367730), (5, 24294184), (8, 15183865), (10, 12147092), (20, 6073546), (40, 3036773), (401, 302920), (802, 151460), (1604, 75730), (2005, 60584), (3208, 37865), (4010, 30292), (7573, 16040), (8020, 15146)]