87240100

素因数分解:

$2^2\times 5^2\times {\mathrm{641}}^1\times {\mathrm{1361}}^1$

素因数の和:2016

約数の個数: 36

約数和(自身を含む): 189745668

約数和(自身を除く): 102505568

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 641, 1282, 1361, 2564, 2722, 3205, 5444, 6410, 6805, 12820, 13610, 16025, 27220, 32050, 34025, 64100, 68050, 136100, 872401, 1744802, 3489604, 4362005, 8724010, 17448020, 21810025, 43620050, 87240100]

約数ペア:

[(1, 87240100), (2, 43620050), (4, 21810025), (5, 17448020), (10, 8724010), (20, 4362005), (25, 3489604), (50, 1744802), (100, 872401), (641, 136100), (1282, 68050), (1361, 64100), (2564, 34025), (2722, 32050), (3205, 27220), (5444, 16025), (6410, 13610), (6805, 12820)]