16051640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{191}}^2$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 39606840

約数和(自身を除く): 23555200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 191, 220, 382, 440, 764, 955, 1528, 1910, 2101, 3820, 4202, 7640, 8404, 10505, 16808, 21010, 36481, 42020, 72962, 84040, 145924, 182405, 291848, 364810, 401291, 729620, 802582, 1459240, 1605164, 2006455, 3210328, 4012910, 8025820, 16051640]

約数ペア:

[(1, 16051640), (2, 8025820), (4, 4012910), (5, 3210328), (8, 2006455), (10, 1605164), (11, 1459240), (20, 802582), (22, 729620), (40, 401291), (44, 364810), (55, 291848), (88, 182405), (110, 145924), (191, 84040), (220, 72962), (382, 42020), (440, 36481), (764, 21010), (955, 16808), (1528, 10505), (1910, 8404), (2101, 7640), (3820, 4202)]