16489240

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{5647}}^1$

素因数の和:5731

約数の個数: 32

約数和(自身を含む): 37615680

約数和(自身を除く): 21126440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 5647, 11294, 22588, 28235, 45176, 56470, 112940, 225880, 412231, 824462, 1648924, 2061155, 3297848, 4122310, 8244620, 16489240]

約数ペア:

[(1, 16489240), (2, 8244620), (4, 4122310), (5, 3297848), (8, 2061155), (10, 1648924), (20, 824462), (40, 412231), (73, 225880), (146, 112940), (292, 56470), (365, 45176), (584, 28235), (730, 22588), (1460, 11294), (2920, 5647)]