103420760

素因数分解:

$2^3\times 5^1\times {\mathrm{991}}^1\times {\mathrm{2609}}^1$

素因数の和:3611

約数の個数: 32

約数和(自身を含む): 233020800

約数和(自身を除く): 129600040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 991, 1982, 2609, 3964, 4955, 5218, 7928, 9910, 10436, 13045, 19820, 20872, 26090, 39640, 52180, 104360, 2585519, 5171038, 10342076, 12927595, 20684152, 25855190, 51710380, 103420760]

約数ペア:

[(1, 103420760), (2, 51710380), (4, 25855190), (5, 20684152), (8, 12927595), (10, 10342076), (20, 5171038), (40, 2585519), (991, 104360), (1982, 52180), (2609, 39640), (3964, 26090), (4955, 20872), (5218, 19820), (7928, 13045), (9910, 10436)]