39168220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21521}}^1$

素因数の和:21550

約数の個数: 48

約数和(自身を含む): 101239488

約数和(自身を除く): 62071268

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 21521, 43042, 86084, 107605, 150647, 215210, 279773, 301294, 430420, 559546, 602588, 753235, 1119092, 1398865, 1506470, 1958411, 2797730, 3012940, 3916822, 5595460, 7833644, 9792055, 19584110, 39168220]

約数ペア:

[(1, 39168220), (2, 19584110), (4, 9792055), (5, 7833644), (7, 5595460), (10, 3916822), (13, 3012940), (14, 2797730), (20, 1958411), (26, 1506470), (28, 1398865), (35, 1119092), (52, 753235), (65, 602588), (70, 559546), (91, 430420), (130, 301294), (140, 279773), (182, 215210), (260, 150647), (364, 107605), (455, 86084), (910, 43042), (1820, 21521)]