2065431160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3971983}}^1$

素因数の和:3972007

約数の個数: 32

約数和(自身を含む): 5004699840

約数和(自身を除く): 2939268680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 3971983, 7943966, 15887932, 19859915, 31775864, 39719830, 51635779, 79439660, 103271558, 158879320, 206543116, 258178895, 413086232, 516357790, 1032715580, 2065431160]

約数ペア:

[(1, 2065431160), (2, 1032715580), (4, 516357790), (5, 413086232), (8, 258178895), (10, 206543116), (13, 158879320), (20, 103271558), (26, 79439660), (40, 51635779), (52, 39719830), (65, 31775864), (104, 19859915), (130, 15887932), (260, 7943966), (520, 3971983)]