78669040

素因数分解:

$2^4\times 5^1\times {\mathrm{983363}}^1$

素因数の和:983376

約数の個数: 20

約数和(自身を含む): 182905704

約数和(自身を除く): 104236664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 983363, 1966726, 3933452, 4916815, 7866904, 9833630, 15733808, 19667260, 39334520, 78669040]

約数ペア:

[(1, 78669040), (2, 39334520), (4, 19667260), (5, 15733808), (8, 9833630), (10, 7866904), (16, 4916815), (20, 3933452), (40, 1966726), (80, 983363)]