2230280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4289}}^1$

素因数の和:4313

約数の個数: 32

約数和(自身を含む): 5405400

約数和(自身を除く): 3175120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 4289, 8578, 17156, 21445, 34312, 42890, 55757, 85780, 111514, 171560, 223028, 278785, 446056, 557570, 1115140, 2230280]

約数ペア:

[(1, 2230280), (2, 1115140), (4, 557570), (5, 446056), (8, 278785), (10, 223028), (13, 171560), (20, 111514), (26, 85780), (40, 55757), (52, 42890), (65, 34312), (104, 21445), (130, 17156), (260, 8578), (520, 4289)]