8770840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{167}}^1$

素因数の和:292

約数の個数: 64

約数和(自身を含む): 21591360

約数和(自身を除く): 12820520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 101, 104, 130, 167, 202, 260, 334, 404, 505, 520, 668, 808, 835, 1010, 1313, 1336, 1670, 2020, 2171, 2626, 3340, 4040, 4342, 5252, 6565, 6680, 8684, 10504, 10855, 13130, 16867, 17368, 21710, 26260, 33734, 43420, 52520, 67468, 84335, 86840, 134936, 168670, 219271, 337340, 438542, 674680, 877084, 1096355, 1754168, 2192710, 4385420, 8770840]

約数ペア:

[(1, 8770840), (2, 4385420), (4, 2192710), (5, 1754168), (8, 1096355), (10, 877084), (13, 674680), (20, 438542), (26, 337340), (40, 219271), (52, 168670), (65, 134936), (101, 86840), (104, 84335), (130, 67468), (167, 52520), (202, 43420), (260, 33734), (334, 26260), (404, 21710), (505, 17368), (520, 16867), (668, 13130), (808, 10855), (835, 10504), (1010, 8684), (1313, 6680), (1336, 6565), (1670, 5252), (2020, 4342), (2171, 4040), (2626, 3340)]