27499720

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{421}}^1$

素因数の和:526

約数の個数: 64

約数和(自身を含む): 65629440

約数和(自身を除く): 38129720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 71, 92, 115, 142, 184, 230, 284, 355, 421, 460, 568, 710, 842, 920, 1420, 1633, 1684, 2105, 2840, 3266, 3368, 4210, 6532, 8165, 8420, 9683, 13064, 16330, 16840, 19366, 29891, 32660, 38732, 48415, 59782, 65320, 77464, 96830, 119564, 149455, 193660, 239128, 298910, 387320, 597820, 687493, 1195640, 1374986, 2749972, 3437465, 5499944, 6874930, 13749860, 27499720]

約数ペア:

[(1, 27499720), (2, 13749860), (4, 6874930), (5, 5499944), (8, 3437465), (10, 2749972), (20, 1374986), (23, 1195640), (40, 687493), (46, 597820), (71, 387320), (92, 298910), (115, 239128), (142, 193660), (184, 149455), (230, 119564), (284, 96830), (355, 77464), (421, 65320), (460, 59782), (568, 48415), (710, 38732), (842, 32660), (920, 29891), (1420, 19366), (1633, 16840), (1684, 16330), (2105, 13064), (2840, 9683), (3266, 8420), (3368, 8165), (4210, 6532)]