89051440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{65479}}^1$

素因数の和:65509

約数の個数: 40

約数和(自身を含む): 219227040

約数和(自身を除く): 130175600

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 65479, 130958, 261916, 327395, 523832, 654790, 1047664, 1113143, 1309580, 2226286, 2619160, 4452572, 5238320, 5565715, 8905144, 11131430, 17810288, 22262860, 44525720, 89051440]

約数ペア:

[(1, 89051440), (2, 44525720), (4, 22262860), (5, 17810288), (8, 11131430), (10, 8905144), (16, 5565715), (17, 5238320), (20, 4452572), (34, 2619160), (40, 2226286), (68, 1309580), (80, 1113143), (85, 1047664), (136, 654790), (170, 523832), (272, 327395), (340, 261916), (680, 130958), (1360, 65479)]