157464680

素因数分解:

$2^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{9817}}^1$

素因数の和:10229

約数の個数: 32

約数和(自身を含む): 355215240

約数和(自身を除く): 197750560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 401, 802, 1604, 2005, 3208, 4010, 8020, 9817, 16040, 19634, 39268, 49085, 78536, 98170, 196340, 392680, 3936617, 7873234, 15746468, 19683085, 31492936, 39366170, 78732340, 157464680]

約数ペア:

[(1, 157464680), (2, 78732340), (4, 39366170), (5, 31492936), (8, 19683085), (10, 15746468), (20, 7873234), (40, 3936617), (401, 392680), (802, 196340), (1604, 98170), (2005, 78536), (3208, 49085), (4010, 39268), (8020, 19634), (9817, 16040)]