31071680

素因数分解:

$2^6\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1091}}^1$

素因数の和:1197

約数の個数: 56

約数和(自身を含む): 74889360

約数和(自身を除く): 43817680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 160, 178, 320, 356, 445, 712, 890, 1091, 1424, 1780, 2182, 2848, 3560, 4364, 5455, 5696, 7120, 8728, 10910, 14240, 17456, 21820, 28480, 34912, 43640, 69824, 87280, 97099, 174560, 194198, 349120, 388396, 485495, 776792, 970990, 1553584, 1941980, 3107168, 3883960, 6214336, 7767920, 15535840, 31071680]

約数ペア:

[(1, 31071680), (2, 15535840), (4, 7767920), (5, 6214336), (8, 3883960), (10, 3107168), (16, 1941980), (20, 1553584), (32, 970990), (40, 776792), (64, 485495), (80, 388396), (89, 349120), (160, 194198), (178, 174560), (320, 97099), (356, 87280), (445, 69824), (712, 43640), (890, 34912), (1091, 28480), (1424, 21820), (1780, 17456), (2182, 14240), (2848, 10910), (3560, 8728), (4364, 7120), (5455, 5696)]