90387980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{265847}}^1$

素因数の和:265873

約数の個数: 24

約数和(自身を含む): 200981088

約数和(自身を除く): 110593108

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 265847, 531694, 1063388, 1329235, 2658470, 4519399, 5316940, 9038798, 18077596, 22596995, 45193990, 90387980]

約数ペア:

[(1, 90387980), (2, 45193990), (4, 22596995), (5, 18077596), (10, 9038798), (17, 5316940), (20, 4519399), (34, 2658470), (68, 1329235), (85, 1063388), (170, 531694), (340, 265847)]