28252840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{9173}}^1$

素因数の和:9202

約数の個数: 64

約数和(自身を含む): 79263360

約数和(自身を除く): 51010520

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 9173, 18346, 36692, 45865, 64211, 73384, 91730, 100903, 128422, 183460, 201806, 256844, 321055, 366920, 403612, 504515, 513688, 642110, 706321, 807224, 1009030, 1284220, 1412642, 2018060, 2568440, 2825284, 3531605, 4036120, 5650568, 7063210, 14126420, 28252840]

約数ペア:

[(1, 28252840), (2, 14126420), (4, 7063210), (5, 5650568), (7, 4036120), (8, 3531605), (10, 2825284), (11, 2568440), (14, 2018060), (20, 1412642), (22, 1284220), (28, 1009030), (35, 807224), (40, 706321), (44, 642110), (55, 513688), (56, 504515), (70, 403612), (77, 366920), (88, 321055), (110, 256844), (140, 201806), (154, 183460), (220, 128422), (280, 100903), (308, 91730), (385, 73384), (440, 64211), (616, 45865), (770, 36692), (1540, 18346), (3080, 9173)]