40292080

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{5659}}^1$

素因数の和:5761

約数の個数: 40

約数和(自身を含む): 94748400

約数和(自身を除く): 54456320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 5659, 7120, 11318, 22636, 28295, 45272, 56590, 90544, 113180, 226360, 452720, 503651, 1007302, 2014604, 2518255, 4029208, 5036510, 8058416, 10073020, 20146040, 40292080]

約数ペア:

[(1, 40292080), (2, 20146040), (4, 10073020), (5, 8058416), (8, 5036510), (10, 4029208), (16, 2518255), (20, 2014604), (40, 1007302), (80, 503651), (89, 452720), (178, 226360), (356, 113180), (445, 90544), (712, 56590), (890, 45272), (1424, 28295), (1780, 22636), (3560, 11318), (5659, 7120)]