40209220

素因数分解:

$2^2\times 5^1\times {\mathrm{1283}}^1\times {\mathrm{1567}}^1$

素因数の和:2859

約数の個数: 24

約数和(自身を含む): 84559104

約数和(自身を除く): 44349884

約数列:

[1, 2, 4, 5, 10, 20, 1283, 1567, 2566, 3134, 5132, 6268, 6415, 7835, 12830, 15670, 25660, 31340, 2010461, 4020922, 8041844, 10052305, 20104610, 40209220]

約数ペア:

[(1, 40209220), (2, 20104610), (4, 10052305), (5, 8041844), (10, 4020922), (20, 2010461), (1283, 31340), (1567, 25660), (2566, 15670), (3134, 12830), (5132, 7835), (6268, 6415)]