87905840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{523}}^1$

素因数の和:738

約数の個数: 80

約数和(自身を含む): 224557056

約数和(自身を除く): 136651216

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 191, 220, 382, 440, 523, 764, 880, 955, 1046, 1528, 1910, 2092, 2101, 2615, 3056, 3820, 4184, 4202, 5230, 5753, 7640, 8368, 8404, 10460, 10505, 11506, 15280, 16808, 20920, 21010, 23012, 28765, 33616, 41840, 42020, 46024, 57530, 84040, 92048, 99893, 115060, 168080, 199786, 230120, 399572, 460240, 499465, 799144, 998930, 1098823, 1598288, 1997860, 2197646, 3995720, 4395292, 5494115, 7991440, 8790584, 10988230, 17581168, 21976460, 43952920, 87905840]

約数ペア:

[(1, 87905840), (2, 43952920), (4, 21976460), (5, 17581168), (8, 10988230), (10, 8790584), (11, 7991440), (16, 5494115), (20, 4395292), (22, 3995720), (40, 2197646), (44, 1997860), (55, 1598288), (80, 1098823), (88, 998930), (110, 799144), (176, 499465), (191, 460240), (220, 399572), (382, 230120), (440, 199786), (523, 168080), (764, 115060), (880, 99893), (955, 92048), (1046, 84040), (1528, 57530), (1910, 46024), (2092, 42020), (2101, 41840), (2615, 33616), (3056, 28765), (3820, 23012), (4184, 21010), (4202, 20920), (5230, 16808), (5753, 15280), (7640, 11506), (8368, 10505), (8404, 10460)]