24470140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71971}}^1$

素因数の和:71997

約数の個数: 24

約数和(自身を含む): 54410832

約数和(自身を除く): 29940692

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 71971, 143942, 287884, 359855, 719710, 1223507, 1439420, 2447014, 4894028, 6117535, 12235070, 24470140]

約数ペア:

[(1, 24470140), (2, 12235070), (4, 6117535), (5, 4894028), (10, 2447014), (17, 1439420), (20, 1223507), (34, 719710), (68, 359855), (85, 287884), (170, 143942), (340, 71971)]