28426040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{2459}}^1$

素因数の和:2504

約数の個数: 48

約数和(自身を含む): 67969800

約数和(自身を除く): 39543760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 289, 340, 578, 680, 1156, 1445, 2312, 2459, 2890, 4918, 5780, 9836, 11560, 12295, 19672, 24590, 41803, 49180, 83606, 98360, 167212, 209015, 334424, 418030, 710651, 836060, 1421302, 1672120, 2842604, 3553255, 5685208, 7106510, 14213020, 28426040]

約数ペア:

[(1, 28426040), (2, 14213020), (4, 7106510), (5, 5685208), (8, 3553255), (10, 2842604), (17, 1672120), (20, 1421302), (34, 836060), (40, 710651), (68, 418030), (85, 334424), (136, 209015), (170, 167212), (289, 98360), (340, 83606), (578, 49180), (680, 41803), (1156, 24590), (1445, 19672), (2312, 12295), (2459, 11560), (2890, 9836), (4918, 5780)]