51240980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:249

約数の個数: 96

約数和(自身を含む): 128701440

約数和(自身を除く): 77460460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 79, 82, 113, 140, 158, 164, 205, 226, 287, 316, 395, 410, 452, 553, 565, 574, 790, 791, 820, 1106, 1130, 1148, 1435, 1580, 1582, 2212, 2260, 2765, 2870, 3164, 3239, 3955, 4633, 5530, 5740, 6478, 7910, 8927, 9266, 11060, 12956, 15820, 16195, 17854, 18532, 22673, 23165, 32390, 32431, 35708, 44635, 45346, 46330, 62489, 64780, 64862, 89270, 90692, 92660, 113365, 124978, 129724, 162155, 178540, 226730, 249956, 312445, 324310, 366007, 453460, 624890, 648620, 732014, 1249780, 1464028, 1830035, 2562049, 3660070, 5124098, 7320140, 10248196, 12810245, 25620490, 51240980]

約数ペア:

[(1, 51240980), (2, 25620490), (4, 12810245), (5, 10248196), (7, 7320140), (10, 5124098), (14, 3660070), (20, 2562049), (28, 1830035), (35, 1464028), (41, 1249780), (70, 732014), (79, 648620), (82, 624890), (113, 453460), (140, 366007), (158, 324310), (164, 312445), (205, 249956), (226, 226730), (287, 178540), (316, 162155), (395, 129724), (410, 124978), (452, 113365), (553, 92660), (565, 90692), (574, 89270), (790, 64862), (791, 64780), (820, 62489), (1106, 46330), (1130, 45346), (1148, 44635), (1435, 35708), (1580, 32431), (1582, 32390), (2212, 23165), (2260, 22673), (2765, 18532), (2870, 17854), (3164, 16195), (3239, 15820), (3955, 12956), (4633, 11060), (5530, 9266), (5740, 8927), (6478, 7910)]