389614520

素因数分解:

$2^3\times 5^1\times {\mathrm{9740363}}^1$

素因数の和:9740374

約数の個数: 16

約数和(自身を含む): 876632760

約数和(自身を除く): 487018240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 9740363, 19480726, 38961452, 48701815, 77922904, 97403630, 194807260, 389614520]

約数ペア:

[(1, 389614520), (2, 194807260), (4, 97403630), (5, 77922904), (8, 48701815), (10, 38961452), (20, 19480726), (40, 9740363)]