163045240

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{21341}}^1$

素因数の和:21543

約数の個数: 32

約数和(自身を含む): 368789760

約数和(自身を除く): 205744520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 3820, 7640, 21341, 42682, 85364, 106705, 170728, 213410, 426820, 853640, 4076131, 8152262, 16304524, 20380655, 32609048, 40761310, 81522620, 163045240]

約数ペア:

[(1, 163045240), (2, 81522620), (4, 40761310), (5, 32609048), (8, 20380655), (10, 16304524), (20, 8152262), (40, 4076131), (191, 853640), (382, 426820), (764, 213410), (955, 170728), (1528, 106705), (1910, 85364), (3820, 42682), (7640, 21341)]