17480720

素因数分解:

$2^4\times 5^1\times {\mathrm{218509}}^1$

素因数の和:218522

約数の個数: 20

約数和(自身を含む): 40642860

約数和(自身を除く): 23162140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 218509, 437018, 874036, 1092545, 1748072, 2185090, 3496144, 4370180, 8740360, 17480720]

約数ペア:

[(1, 17480720), (2, 8740360), (4, 4370180), (5, 3496144), (8, 2185090), (10, 1748072), (16, 1092545), (20, 874036), (40, 437018), (80, 218509)]