128522020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{523}}^1\times {\mathrm{1117}}^1$

素因数の和:1660

約数の個数: 48

約数和(自身を含む): 295259328

約数和(自身を除く): 166737308

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 523, 1046, 1117, 2092, 2234, 2615, 4468, 5230, 5585, 5753, 10460, 11170, 11506, 12287, 22340, 23012, 24574, 28765, 49148, 57530, 61435, 115060, 122870, 245740, 584191, 1168382, 2336764, 2920955, 5841910, 6426101, 11683820, 12852202, 25704404, 32130505, 64261010, 128522020]

約数ペア:

[(1, 128522020), (2, 64261010), (4, 32130505), (5, 25704404), (10, 12852202), (11, 11683820), (20, 6426101), (22, 5841910), (44, 2920955), (55, 2336764), (110, 1168382), (220, 584191), (523, 245740), (1046, 122870), (1117, 115060), (2092, 61435), (2234, 57530), (2615, 49148), (4468, 28765), (5230, 24574), (5585, 23012), (5753, 22340), (10460, 12287), (11170, 11506)]