139178720

素因数分解:

$2^5\times 5^1\times {\mathrm{311}}^1\times {\mathrm{2797}}^1$

素因数の和:3123

約数の個数: 48

約数和(自身を含む): 329984928

約数和(自身を除く): 190806208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 311, 622, 1244, 1555, 2488, 2797, 3110, 4976, 5594, 6220, 9952, 11188, 12440, 13985, 22376, 24880, 27970, 44752, 49760, 55940, 89504, 111880, 223760, 447520, 869867, 1739734, 3479468, 4349335, 6958936, 8698670, 13917872, 17397340, 27835744, 34794680, 69589360, 139178720]

約数ペア:

[(1, 139178720), (2, 69589360), (4, 34794680), (5, 27835744), (8, 17397340), (10, 13917872), (16, 8698670), (20, 6958936), (32, 4349335), (40, 3479468), (80, 1739734), (160, 869867), (311, 447520), (622, 223760), (1244, 111880), (1555, 89504), (2488, 55940), (2797, 49760), (3110, 44752), (4976, 27970), (5594, 24880), (6220, 22376), (9952, 13985), (11188, 12440)]