55626040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{457}}^1$

素因数の和:664

約数の個数: 64

約数和(自身を含む): 133552800

約数和(自身を除く): 77926760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 179, 340, 358, 457, 680, 716, 895, 914, 1432, 1790, 1828, 2285, 3043, 3580, 3656, 4570, 6086, 7160, 7769, 9140, 12172, 15215, 15538, 18280, 24344, 30430, 31076, 38845, 60860, 62152, 77690, 81803, 121720, 155380, 163606, 310760, 327212, 409015, 654424, 818030, 1390651, 1636060, 2781302, 3272120, 5562604, 6953255, 11125208, 13906510, 27813020, 55626040]

約数ペア:

[(1, 55626040), (2, 27813020), (4, 13906510), (5, 11125208), (8, 6953255), (10, 5562604), (17, 3272120), (20, 2781302), (34, 1636060), (40, 1390651), (68, 818030), (85, 654424), (136, 409015), (170, 327212), (179, 310760), (340, 163606), (358, 155380), (457, 121720), (680, 81803), (716, 77690), (895, 62152), (914, 60860), (1432, 38845), (1790, 31076), (1828, 30430), (2285, 24344), (3043, 18280), (3580, 15538), (3656, 15215), (4570, 12172), (6086, 9140), (7160, 7769)]