56540680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{1787}}^1$

素因数の和:1918

約数の個数: 64

約数和(自身を含む): 146759040

約数和(自身を除く): 90218360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 113, 140, 226, 280, 452, 565, 791, 904, 1130, 1582, 1787, 2260, 3164, 3574, 3955, 4520, 6328, 7148, 7910, 8935, 12509, 14296, 15820, 17870, 25018, 31640, 35740, 50036, 62545, 71480, 100072, 125090, 201931, 250180, 403862, 500360, 807724, 1009655, 1413517, 1615448, 2019310, 2827034, 4038620, 5654068, 7067585, 8077240, 11308136, 14135170, 28270340, 56540680]

約数ペア:

[(1, 56540680), (2, 28270340), (4, 14135170), (5, 11308136), (7, 8077240), (8, 7067585), (10, 5654068), (14, 4038620), (20, 2827034), (28, 2019310), (35, 1615448), (40, 1413517), (56, 1009655), (70, 807724), (113, 500360), (140, 403862), (226, 250180), (280, 201931), (452, 125090), (565, 100072), (791, 71480), (904, 62545), (1130, 50036), (1582, 35740), (1787, 31640), (2260, 25018), (3164, 17870), (3574, 15820), (3955, 14296), (4520, 12509), (6328, 8935), (7148, 7910)]