25488680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:163

約数の個数: 128

約数和(自身を含む): 70329600

約数和(自身を除く): 44840920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 43, 56, 58, 70, 73, 86, 116, 140, 145, 146, 172, 203, 215, 232, 280, 290, 292, 301, 344, 365, 406, 430, 511, 580, 584, 602, 730, 812, 860, 1015, 1022, 1160, 1204, 1247, 1460, 1505, 1624, 1720, 2030, 2044, 2117, 2408, 2494, 2555, 2920, 3010, 3139, 4060, 4088, 4234, 4988, 5110, 6020, 6235, 6278, 8120, 8468, 8729, 9976, 10220, 10585, 12040, 12470, 12556, 14819, 15695, 16936, 17458, 20440, 21170, 21973, 24940, 25112, 29638, 31390, 34916, 42340, 43645, 43946, 49880, 59276, 62780, 69832, 74095, 84680, 87290, 87892, 91031, 109865, 118552, 125560, 148190, 174580, 175784, 182062, 219730, 296380, 349160, 364124, 439460, 455155, 592760, 637217, 728248, 878920, 910310, 1274434, 1820620, 2548868, 3186085, 3641240, 5097736, 6372170, 12744340, 25488680]

約数ペア:

[(1, 25488680), (2, 12744340), (4, 6372170), (5, 5097736), (7, 3641240), (8, 3186085), (10, 2548868), (14, 1820620), (20, 1274434), (28, 910310), (29, 878920), (35, 728248), (40, 637217), (43, 592760), (56, 455155), (58, 439460), (70, 364124), (73, 349160), (86, 296380), (116, 219730), (140, 182062), (145, 175784), (146, 174580), (172, 148190), (203, 125560), (215, 118552), (232, 109865), (280, 91031), (290, 87892), (292, 87290), (301, 84680), (344, 74095), (365, 69832), (406, 62780), (430, 59276), (511, 49880), (580, 43946), (584, 43645), (602, 42340), (730, 34916), (812, 31390), (860, 29638), (1015, 25112), (1022, 24940), (1160, 21973), (1204, 21170), (1247, 20440), (1460, 17458), (1505, 16936), (1624, 15695), (1720, 14819), (2030, 12556), (2044, 12470), (2117, 12040), (2408, 10585), (2494, 10220), (2555, 9976), (2920, 8729), (3010, 8468), (3139, 8120), (4060, 6278), (4088, 6235), (4234, 6020), (4988, 5110)]