38872990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{13001}}^1$

素因数の和:13044

約数の個数: 32

約数和(自身を含む): 78636096

約数和(自身を除く): 39763106

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 13001, 26002, 65005, 130010, 169013, 299023, 338026, 598046, 845065, 1495115, 1690130, 2990230, 3887299, 7774598, 19436495, 38872990]

約数ペア:

[(1, 38872990), (2, 19436495), (5, 7774598), (10, 3887299), (13, 2990230), (23, 1690130), (26, 1495115), (46, 845065), (65, 598046), (115, 338026), (130, 299023), (230, 169013), (299, 130010), (598, 65005), (1495, 26002), (2990, 13001)]