65449220

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{46091}}^1$

素因数の和:46171

約数の個数: 24

約数和(自身を含む): 139382208

約数和(自身を除く): 73932988

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 46091, 92182, 184364, 230455, 460910, 921820, 3272461, 6544922, 13089844, 16362305, 32724610, 65449220]

約数ペア:

[(1, 65449220), (2, 32724610), (4, 16362305), (5, 13089844), (10, 6544922), (20, 3272461), (71, 921820), (142, 460910), (284, 230455), (355, 184364), (710, 92182), (1420, 46091)]