17420240

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{12809}}^1$

素因数の和:12839

約数の個数: 40

約数和(自身を含む): 42887880

約数和(自身を除く): 25467640

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 12809, 25618, 51236, 64045, 102472, 128090, 204944, 217753, 256180, 435506, 512360, 871012, 1024720, 1088765, 1742024, 2177530, 3484048, 4355060, 8710120, 17420240]

約数ペア:

[(1, 17420240), (2, 8710120), (4, 4355060), (5, 3484048), (8, 2177530), (10, 1742024), (16, 1088765), (17, 1024720), (20, 871012), (34, 512360), (40, 435506), (68, 256180), (80, 217753), (85, 204944), (136, 128090), (170, 102472), (272, 64045), (340, 51236), (680, 25618), (1360, 12809)]