81924440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{12119}}^1$

素因数の和:12156

約数の個数: 48

約数和(自身を含む): 199616400

約数和(自身を除く): 117691960

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 3380, 6760, 12119, 24238, 48476, 60595, 96952, 121190, 157547, 242380, 315094, 484760, 630188, 787735, 1260376, 1575470, 2048111, 3150940, 4096222, 6301880, 8192444, 10240555, 16384888, 20481110, 40962220, 81924440]

約数ペア:

[(1, 81924440), (2, 40962220), (4, 20481110), (5, 16384888), (8, 10240555), (10, 8192444), (13, 6301880), (20, 4096222), (26, 3150940), (40, 2048111), (52, 1575470), (65, 1260376), (104, 787735), (130, 630188), (169, 484760), (260, 315094), (338, 242380), (520, 157547), (676, 121190), (845, 96952), (1352, 60595), (1690, 48476), (3380, 24238), (6760, 12119)]