127615540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{490829}}^1$

素因数の和:490851

約数の個数: 24

約数和(自身を含む): 288608040

約数和(自身を除く): 160992500

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 490829, 981658, 1963316, 2454145, 4908290, 6380777, 9816580, 12761554, 25523108, 31903885, 63807770, 127615540]

約数ペア:

[(1, 127615540), (2, 63807770), (4, 31903885), (5, 25523108), (10, 12761554), (13, 9816580), (20, 6380777), (26, 4908290), (52, 2454145), (65, 1963316), (130, 981658), (260, 490829)]