89105720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{3821}}^1$

素因数の和:3896

約数の個数: 64

約数和(自身を含む): 222899040

約数和(自身を除く): 133793320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 53, 55, 88, 106, 110, 212, 220, 265, 424, 440, 530, 583, 1060, 1166, 2120, 2332, 2915, 3821, 4664, 5830, 7642, 11660, 15284, 19105, 23320, 30568, 38210, 42031, 76420, 84062, 152840, 168124, 202513, 210155, 336248, 405026, 420310, 810052, 840620, 1012565, 1620104, 1681240, 2025130, 2227643, 4050260, 4455286, 8100520, 8910572, 11138215, 17821144, 22276430, 44552860, 89105720]

約数ペア:

[(1, 89105720), (2, 44552860), (4, 22276430), (5, 17821144), (8, 11138215), (10, 8910572), (11, 8100520), (20, 4455286), (22, 4050260), (40, 2227643), (44, 2025130), (53, 1681240), (55, 1620104), (88, 1012565), (106, 840620), (110, 810052), (212, 420310), (220, 405026), (265, 336248), (424, 210155), (440, 202513), (530, 168124), (583, 152840), (1060, 84062), (1166, 76420), (2120, 42031), (2332, 38210), (2915, 30568), (3821, 23320), (4664, 19105), (5830, 15284), (7642, 11660)]