220165040

素因数分解:

$2^4\times 5^1\times {\mathrm{401}}^1\times {\mathrm{6863}}^1$

素因数の和:7277

約数の個数: 40

約数和(自身を含む): 513235008

約数和(自身を除く): 293069968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 401, 802, 1604, 2005, 3208, 4010, 6416, 6863, 8020, 13726, 16040, 27452, 32080, 34315, 54904, 68630, 109808, 137260, 274520, 549040, 2752063, 5504126, 11008252, 13760315, 22016504, 27520630, 44033008, 55041260, 110082520, 220165040]

約数ペア:

[(1, 220165040), (2, 110082520), (4, 55041260), (5, 44033008), (8, 27520630), (10, 22016504), (16, 13760315), (20, 11008252), (40, 5504126), (80, 2752063), (401, 549040), (802, 274520), (1604, 137260), (2005, 109808), (3208, 68630), (4010, 54904), (6416, 34315), (6863, 32080), (8020, 27452), (13726, 16040)]