42627440

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{5987}}^1$

素因数の和:6089

約数の個数: 40

約数和(自身を含む): 100239120

約数和(自身を除く): 57611680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 5987, 7120, 11974, 23948, 29935, 47896, 59870, 95792, 119740, 239480, 478960, 532843, 1065686, 2131372, 2664215, 4262744, 5328430, 8525488, 10656860, 21313720, 42627440]

約数ペア:

[(1, 42627440), (2, 21313720), (4, 10656860), (5, 8525488), (8, 5328430), (10, 4262744), (16, 2664215), (20, 2131372), (40, 1065686), (80, 532843), (89, 478960), (178, 239480), (356, 119740), (445, 95792), (712, 59870), (890, 47896), (1424, 29935), (1780, 23948), (3560, 11974), (5987, 7120)]