140053960

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{39341}}^1$

素因数の和:39441

約数の個数: 32

約数和(自身を含む): 318670200

約数和(自身を除く): 178616240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 39341, 78682, 157364, 196705, 314728, 393410, 786820, 1573640, 3501349, 7002698, 14005396, 17506745, 28010792, 35013490, 70026980, 140053960]

約数ペア:

[(1, 140053960), (2, 70026980), (4, 35013490), (5, 28010792), (8, 17506745), (10, 14005396), (20, 7002698), (40, 3501349), (89, 1573640), (178, 786820), (356, 393410), (445, 314728), (712, 196705), (890, 157364), (1780, 78682), (3560, 39341)]