86898020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{20789}}^1$

素因数の和:20828

約数の個数: 48

約数和(自身を含む): 209563200

約数和(自身を除く): 122665180

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 20789, 41578, 83156, 103945, 207890, 228679, 394991, 415780, 457358, 789982, 914716, 1143395, 1579964, 1974955, 2286790, 3949910, 4344901, 4573580, 7899820, 8689802, 17379604, 21724505, 43449010, 86898020]

約数ペア:

[(1, 86898020), (2, 43449010), (4, 21724505), (5, 17379604), (10, 8689802), (11, 7899820), (19, 4573580), (20, 4344901), (22, 3949910), (38, 2286790), (44, 1974955), (55, 1579964), (76, 1143395), (95, 914716), (110, 789982), (190, 457358), (209, 415780), (220, 394991), (380, 228679), (418, 207890), (836, 103945), (1045, 83156), (2090, 41578), (4180, 20789)]