220110280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{423289}}^1$

素因数の和:423313

約数の個数: 32

約数和(自身を含む): 533345400

約数和(自身を除く): 313235120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 423289, 846578, 1693156, 2116445, 3386312, 4232890, 5502757, 8465780, 11005514, 16931560, 22011028, 27513785, 44022056, 55027570, 110055140, 220110280]

約数ペア:

[(1, 220110280), (2, 110055140), (4, 55027570), (5, 44022056), (8, 27513785), (10, 22011028), (13, 16931560), (20, 11005514), (26, 8465780), (40, 5502757), (52, 4232890), (65, 3386312), (104, 2116445), (130, 1693156), (260, 846578), (520, 423289)]