12403540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{191}}^2$

素因数の和:408

約数の個数: 36

約数和(自身を含む): 27724788

約数和(自身を除く): 15321248

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 191, 340, 382, 764, 955, 1910, 3247, 3820, 6494, 12988, 16235, 32470, 36481, 64940, 72962, 145924, 182405, 364810, 620177, 729620, 1240354, 2480708, 3100885, 6201770, 12403540]

約数ペア:

[(1, 12403540), (2, 6201770), (4, 3100885), (5, 2480708), (10, 1240354), (17, 729620), (20, 620177), (34, 364810), (68, 182405), (85, 145924), (170, 72962), (191, 64940), (340, 36481), (382, 32470), (764, 16235), (955, 12988), (1910, 6494), (3247, 3820)]