16433240

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{1321}}^1$

素因数の和:1643

約数の個数: 32

約数和(自身を含む): 37121760

約数和(自身を除く): 20688520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 311, 622, 1244, 1321, 1555, 2488, 2642, 3110, 5284, 6220, 6605, 10568, 12440, 13210, 26420, 52840, 410831, 821662, 1643324, 2054155, 3286648, 4108310, 8216620, 16433240]

約数ペア:

[(1, 16433240), (2, 8216620), (4, 4108310), (5, 3286648), (8, 2054155), (10, 1643324), (20, 821662), (40, 410831), (311, 52840), (622, 26420), (1244, 13210), (1321, 12440), (1555, 10568), (2488, 6605), (2642, 6220), (3110, 5284)]