40448120

素因数分解:

$2^3\times 5^1\times {\mathrm{373}}^1\times {\mathrm{2711}}^1$

素因数の和:3095

約数の個数: 32

約数和(自身を含む): 91285920

約数和(自身を除く): 50837800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 373, 746, 1492, 1865, 2711, 2984, 3730, 5422, 7460, 10844, 13555, 14920, 21688, 27110, 54220, 108440, 1011203, 2022406, 4044812, 5056015, 8089624, 10112030, 20224060, 40448120]

約数ペア:

[(1, 40448120), (2, 20224060), (4, 10112030), (5, 8089624), (8, 5056015), (10, 4044812), (20, 2022406), (40, 1011203), (373, 108440), (746, 54220), (1492, 27110), (1865, 21688), (2711, 14920), (2984, 13555), (3730, 10844), (5422, 7460)]