73392020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{643}}^1$

素因数の和:1104

約数の個数: 48

約数和(自身を含む): 166615680

約数和(自身を除く): 93223660

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 439, 643, 878, 1286, 1756, 2195, 2572, 3215, 4390, 5707, 6430, 8359, 8780, 11414, 12860, 16718, 22828, 28535, 33436, 41795, 57070, 83590, 114140, 167180, 282277, 564554, 1129108, 1411385, 2822770, 3669601, 5645540, 7339202, 14678404, 18348005, 36696010, 73392020]

約数ペア:

[(1, 73392020), (2, 36696010), (4, 18348005), (5, 14678404), (10, 7339202), (13, 5645540), (20, 3669601), (26, 2822770), (52, 1411385), (65, 1129108), (130, 564554), (260, 282277), (439, 167180), (643, 114140), (878, 83590), (1286, 57070), (1756, 41795), (2195, 33436), (2572, 28535), (3215, 22828), (4390, 16718), (5707, 12860), (6430, 11414), (8359, 8780)]