40235120

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{5651}}^1$

素因数の和:5753

約数の個数: 40

約数和(自身を含む): 94614480

約数和(自身を除く): 54379360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 5651, 7120, 11302, 22604, 28255, 45208, 56510, 90416, 113020, 226040, 452080, 502939, 1005878, 2011756, 2514695, 4023512, 5029390, 8047024, 10058780, 20117560, 40235120]

約数ペア:

[(1, 40235120), (2, 20117560), (4, 10058780), (5, 8047024), (8, 5029390), (10, 4023512), (16, 2514695), (20, 2011756), (40, 1005878), (80, 502939), (89, 452080), (178, 226040), (356, 113020), (445, 90416), (712, 56510), (890, 45208), (1424, 28255), (1780, 22604), (3560, 11302), (5651, 7120)]