72437440

素因数分解:

$2^6\times 5^1\times {\mathrm{226367}}^1$

素因数の和:226384

約数の個数: 28

約数和(自身を含む): 172492416

約数和(自身を除く): 100054976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 226367, 452734, 905468, 1131835, 1810936, 2263670, 3621872, 4527340, 7243744, 9054680, 14487488, 18109360, 36218720, 72437440]

約数ペア:

[(1, 72437440), (2, 36218720), (4, 18109360), (5, 14487488), (8, 9054680), (10, 7243744), (16, 4527340), (20, 3621872), (32, 2263670), (40, 1810936), (64, 1131835), (80, 905468), (160, 452734), (320, 226367)]