27813020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{457}}^1$

素因数の和:662

約数の個数: 48

約数和(自身を含む): 62324640

約数和(自身を除く): 34511620

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 179, 340, 358, 457, 716, 895, 914, 1790, 1828, 2285, 3043, 3580, 4570, 6086, 7769, 9140, 12172, 15215, 15538, 30430, 31076, 38845, 60860, 77690, 81803, 155380, 163606, 327212, 409015, 818030, 1390651, 1636060, 2781302, 5562604, 6953255, 13906510, 27813020]

約数ペア:

[(1, 27813020), (2, 13906510), (4, 6953255), (5, 5562604), (10, 2781302), (17, 1636060), (20, 1390651), (34, 818030), (68, 409015), (85, 327212), (170, 163606), (179, 155380), (340, 81803), (358, 77690), (457, 60860), (716, 38845), (895, 31076), (914, 30430), (1790, 15538), (1828, 15215), (2285, 12172), (3043, 9140), (3580, 7769), (4570, 6086)]