3924756400

素因数分解:

$2^4\times 5^2\times {\mathrm{991}}^1\times {\mathrm{9901}}^1$

素因数の和:10910

約数の個数: 60

約数和(自身を含む): 9439695424

約数和(自身を除く): 5514939024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 991, 1982, 3964, 4955, 7928, 9901, 9910, 15856, 19802, 19820, 24775, 39604, 39640, 49505, 49550, 79208, 79280, 99010, 99100, 158416, 198020, 198200, 247525, 396040, 396400, 495050, 792080, 990100, 1980200, 3960400, 9811891, 19623782, 39247564, 49059455, 78495128, 98118910, 156990256, 196237820, 245297275, 392475640, 490594550, 784951280, 981189100, 1962378200, 3924756400]

約数ペア:

[(1, 3924756400), (2, 1962378200), (4, 981189100), (5, 784951280), (8, 490594550), (10, 392475640), (16, 245297275), (20, 196237820), (25, 156990256), (40, 98118910), (50, 78495128), (80, 49059455), (100, 39247564), (200, 19623782), (400, 9811891), (991, 3960400), (1982, 1980200), (3964, 990100), (4955, 792080), (7928, 495050), (9901, 396400), (9910, 396040), (15856, 247525), (19802, 198200), (19820, 198020), (24775, 158416), (39604, 99100), (39640, 99010), (49505, 79280), (49550, 79208)]