12588680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{563}}^1$

素因数の和:630

約数の個数: 64

約数和(自身を含む): 31268160

約数和(自身を除く): 18679480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 52, 65, 86, 104, 130, 172, 215, 260, 344, 430, 520, 559, 563, 860, 1118, 1126, 1720, 2236, 2252, 2795, 2815, 4472, 4504, 5590, 5630, 7319, 11180, 11260, 14638, 22360, 22520, 24209, 29276, 36595, 48418, 58552, 73190, 96836, 121045, 146380, 193672, 242090, 292760, 314717, 484180, 629434, 968360, 1258868, 1573585, 2517736, 3147170, 6294340, 12588680]

約数ペア:

[(1, 12588680), (2, 6294340), (4, 3147170), (5, 2517736), (8, 1573585), (10, 1258868), (13, 968360), (20, 629434), (26, 484180), (40, 314717), (43, 292760), (52, 242090), (65, 193672), (86, 146380), (104, 121045), (130, 96836), (172, 73190), (215, 58552), (260, 48418), (344, 36595), (430, 29276), (520, 24209), (559, 22520), (563, 22360), (860, 14638), (1118, 11260), (1126, 11180), (1720, 7319), (2236, 5630), (2252, 5590), (2795, 4504), (2815, 4472)]