67148720

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{9431}}^1$

素因数の和:9533

約数の個数: 40

約数和(自身を含む): 157891680

約数和(自身を除く): 90742960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 7120, 9431, 18862, 37724, 47155, 75448, 94310, 150896, 188620, 377240, 754480, 839359, 1678718, 3357436, 4196795, 6714872, 8393590, 13429744, 16787180, 33574360, 67148720]

約数ペア:

[(1, 67148720), (2, 33574360), (4, 16787180), (5, 13429744), (8, 8393590), (10, 6714872), (16, 4196795), (20, 3357436), (40, 1678718), (80, 839359), (89, 754480), (178, 377240), (356, 188620), (445, 150896), (712, 94310), (890, 75448), (1424, 47155), (1780, 37724), (3560, 18862), (7120, 9431)]