8709482980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{501121}}^1$

素因数の和:501220

約数の個数: 48

約数和(自身を含む): 20205239040

約数和(自身を除く): 11495756060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 158, 220, 316, 395, 790, 869, 1580, 1738, 3476, 4345, 8690, 17380, 501121, 1002242, 2004484, 2505605, 5011210, 5512331, 10022420, 11024662, 22049324, 27561655, 39588559, 55123310, 79177118, 110246620, 158354236, 197942795, 395885590, 435474149, 791771180, 870948298, 1741896596, 2177370745, 4354741490, 8709482980]

約数ペア:

[(1, 8709482980), (2, 4354741490), (4, 2177370745), (5, 1741896596), (10, 870948298), (11, 791771180), (20, 435474149), (22, 395885590), (44, 197942795), (55, 158354236), (79, 110246620), (110, 79177118), (158, 55123310), (220, 39588559), (316, 27561655), (395, 22049324), (790, 11024662), (869, 10022420), (1580, 5512331), (1738, 5011210), (3476, 2505605), (4345, 2004484), (8690, 1002242), (17380, 501121)]