40163920

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{5641}}^1$

素因数の和:5743

約数の個数: 40

約数和(自身を含む): 94447080

約数和(自身を除く): 54283160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 5641, 7120, 11282, 22564, 28205, 45128, 56410, 90256, 112820, 225640, 451280, 502049, 1004098, 2008196, 2510245, 4016392, 5020490, 8032784, 10040980, 20081960, 40163920]

約数ペア:

[(1, 40163920), (2, 20081960), (4, 10040980), (5, 8032784), (8, 5020490), (10, 4016392), (16, 2510245), (20, 2008196), (40, 1004098), (80, 502049), (89, 451280), (178, 225640), (356, 112820), (445, 90256), (712, 56410), (890, 45128), (1424, 28205), (1780, 22564), (3560, 11282), (5641, 7120)]