129488720

素因数分解:

$2^4\times 5^1\times {\mathrm{701}}^1\times {\mathrm{2309}}^1$

素因数の和:3023

約数の個数: 40

約数和(自身を含む): 301621320

約数和(自身を除く): 172132600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 701, 1402, 2309, 2804, 3505, 4618, 5608, 7010, 9236, 11216, 11545, 14020, 18472, 23090, 28040, 36944, 46180, 56080, 92360, 184720, 1618609, 3237218, 6474436, 8093045, 12948872, 16186090, 25897744, 32372180, 64744360, 129488720]

約数ペア:

[(1, 129488720), (2, 64744360), (4, 32372180), (5, 25897744), (8, 16186090), (10, 12948872), (16, 8093045), (20, 6474436), (40, 3237218), (80, 1618609), (701, 184720), (1402, 92360), (2309, 56080), (2804, 46180), (3505, 36944), (4618, 28040), (5608, 23090), (7010, 18472), (9236, 14020), (11216, 11545)]