47903320

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{10987}}^1$

素因数の和:11107

約数の個数: 32

約数和(自身を含む): 108781200

約数和(自身を除く): 60877880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 10987, 21974, 43948, 54935, 87896, 109870, 219740, 439480, 1197583, 2395166, 4790332, 5987915, 9580664, 11975830, 23951660, 47903320]

約数ペア:

[(1, 47903320), (2, 23951660), (4, 11975830), (5, 9580664), (8, 5987915), (10, 4790332), (20, 2395166), (40, 1197583), (109, 439480), (218, 219740), (436, 109870), (545, 87896), (872, 54935), (1090, 43948), (2180, 21974), (4360, 10987)]