38649520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5309}}^1$

素因数の和:5342

約数の個数: 80

約数和(自身を含む): 110617920

約数和(自身を除く): 71968400

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 5309, 7280, 10618, 21236, 26545, 37163, 42472, 53090, 69017, 74326, 84944, 106180, 138034, 148652, 185815, 212360, 276068, 297304, 345085, 371630, 424720, 483119, 552136, 594608, 690170, 743260, 966238, 1104272, 1380340, 1486520, 1932476, 2415595, 2760680, 2973040, 3864952, 4831190, 5521360, 7729904, 9662380, 19324760, 38649520]

約数ペア:

[(1, 38649520), (2, 19324760), (4, 9662380), (5, 7729904), (7, 5521360), (8, 4831190), (10, 3864952), (13, 2973040), (14, 2760680), (16, 2415595), (20, 1932476), (26, 1486520), (28, 1380340), (35, 1104272), (40, 966238), (52, 743260), (56, 690170), (65, 594608), (70, 552136), (80, 483119), (91, 424720), (104, 371630), (112, 345085), (130, 297304), (140, 276068), (182, 212360), (208, 185815), (260, 148652), (280, 138034), (364, 106180), (455, 84944), (520, 74326), (560, 69017), (728, 53090), (910, 42472), (1040, 37163), (1456, 26545), (1820, 21236), (3640, 10618), (5309, 7280)]