82128560

素因数分解:

$2^4\times 5^1\times {\mathrm{229}}^1\times {\mathrm{4483}}^1$

素因数の和:4725

約数の個数: 40

約数和(自身を含む): 191825520

約数和(自身を除く): 109696960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 229, 458, 916, 1145, 1832, 2290, 3664, 4483, 4580, 8966, 9160, 17932, 18320, 22415, 35864, 44830, 71728, 89660, 179320, 358640, 1026607, 2053214, 4106428, 5133035, 8212856, 10266070, 16425712, 20532140, 41064280, 82128560]

約数ペア:

[(1, 82128560), (2, 41064280), (4, 20532140), (5, 16425712), (8, 10266070), (10, 8212856), (16, 5133035), (20, 4106428), (40, 2053214), (80, 1026607), (229, 358640), (458, 179320), (916, 89660), (1145, 71728), (1832, 44830), (2290, 35864), (3664, 22415), (4483, 18320), (4580, 17932), (8966, 9160)]