80815376

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{219607}}^1$

素因数の和:219638

約数の個数: 20

約数和(自身を含む): 163388352

約数和(自身を除く): 82572976

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 219607, 439214, 878428, 1756856, 3513712, 5050961, 10101922, 20203844, 40407688, 80815376]

約数ペア:

[(1, 80815376), (2, 40407688), (4, 20203844), (8, 10101922), (16, 5050961), (23, 3513712), (46, 1756856), (92, 878428), (184, 439214), (368, 219607)]