51927760

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{269}}^1$

素因数の和:428

約数の個数: 80

約数和(自身を含む): 128563200

約数和(自身を除く): 76635440

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 127, 152, 190, 254, 269, 304, 380, 508, 538, 635, 760, 1016, 1076, 1270, 1345, 1520, 2032, 2152, 2413, 2540, 2690, 4304, 4826, 5080, 5111, 5380, 9652, 10160, 10222, 10760, 12065, 19304, 20444, 21520, 24130, 25555, 34163, 38608, 40888, 48260, 51110, 68326, 81776, 96520, 102220, 136652, 170815, 193040, 204440, 273304, 341630, 408880, 546608, 649097, 683260, 1298194, 1366520, 2596388, 2733040, 3245485, 5192776, 6490970, 10385552, 12981940, 25963880, 51927760]

約数ペア:

[(1, 51927760), (2, 25963880), (4, 12981940), (5, 10385552), (8, 6490970), (10, 5192776), (16, 3245485), (19, 2733040), (20, 2596388), (38, 1366520), (40, 1298194), (76, 683260), (80, 649097), (95, 546608), (127, 408880), (152, 341630), (190, 273304), (254, 204440), (269, 193040), (304, 170815), (380, 136652), (508, 102220), (538, 96520), (635, 81776), (760, 68326), (1016, 51110), (1076, 48260), (1270, 40888), (1345, 38608), (1520, 34163), (2032, 25555), (2152, 24130), (2413, 21520), (2540, 20444), (2690, 19304), (4304, 12065), (4826, 10760), (5080, 10222), (5111, 10160), (5380, 9652)]