90528920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{5179}}^1$

素因数の和:5232

約数の個数: 64

約数和(自身を含む): 223776000

約数和(自身を除く): 133247080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 38, 40, 46, 76, 92, 95, 115, 152, 184, 190, 230, 380, 437, 460, 760, 874, 920, 1748, 2185, 3496, 4370, 5179, 8740, 10358, 17480, 20716, 25895, 41432, 51790, 98401, 103580, 119117, 196802, 207160, 238234, 393604, 476468, 492005, 595585, 787208, 952936, 984010, 1191170, 1968020, 2263223, 2382340, 3936040, 4526446, 4764680, 9052892, 11316115, 18105784, 22632230, 45264460, 90528920]

約数ペア:

[(1, 90528920), (2, 45264460), (4, 22632230), (5, 18105784), (8, 11316115), (10, 9052892), (19, 4764680), (20, 4526446), (23, 3936040), (38, 2382340), (40, 2263223), (46, 1968020), (76, 1191170), (92, 984010), (95, 952936), (115, 787208), (152, 595585), (184, 492005), (190, 476468), (230, 393604), (380, 238234), (437, 207160), (460, 196802), (760, 119117), (874, 103580), (920, 98401), (1748, 51790), (2185, 41432), (3496, 25895), (4370, 20716), (5179, 17480), (8740, 10358)]