28776880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{617}}^1$

素因数の和:694

約数の個数: 80

約数和(自身を含む): 74486304

約数和(自身を除く): 45709424

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 53, 55, 80, 88, 106, 110, 176, 212, 220, 265, 424, 440, 530, 583, 617, 848, 880, 1060, 1166, 1234, 2120, 2332, 2468, 2915, 3085, 4240, 4664, 4936, 5830, 6170, 6787, 9328, 9872, 11660, 12340, 13574, 23320, 24680, 27148, 32701, 33935, 46640, 49360, 54296, 65402, 67870, 108592, 130804, 135740, 163505, 261608, 271480, 327010, 359711, 523216, 542960, 654020, 719422, 1308040, 1438844, 1798555, 2616080, 2877688, 3597110, 5755376, 7194220, 14388440, 28776880]

約数ペア:

[(1, 28776880), (2, 14388440), (4, 7194220), (5, 5755376), (8, 3597110), (10, 2877688), (11, 2616080), (16, 1798555), (20, 1438844), (22, 1308040), (40, 719422), (44, 654020), (53, 542960), (55, 523216), (80, 359711), (88, 327010), (106, 271480), (110, 261608), (176, 163505), (212, 135740), (220, 130804), (265, 108592), (424, 67870), (440, 65402), (530, 54296), (583, 49360), (617, 46640), (848, 33935), (880, 32701), (1060, 27148), (1166, 24680), (1234, 23320), (2120, 13574), (2332, 12340), (2468, 11660), (2915, 9872), (3085, 9328), (4240, 6787), (4664, 6170), (4936, 5830)]