2228560

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{313}}^1$

素因数の和:415

約数の個数: 40

約数和(自身を含む): 5256360

約数和(自身を除く): 3027800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 313, 356, 445, 626, 712, 890, 1252, 1424, 1565, 1780, 2504, 3130, 3560, 5008, 6260, 7120, 12520, 25040, 27857, 55714, 111428, 139285, 222856, 278570, 445712, 557140, 1114280, 2228560]

約数ペア:

[(1, 2228560), (2, 1114280), (4, 557140), (5, 445712), (8, 278570), (10, 222856), (16, 139285), (20, 111428), (40, 55714), (80, 27857), (89, 25040), (178, 12520), (313, 7120), (356, 6260), (445, 5008), (626, 3560), (712, 3130), (890, 2504), (1252, 1780), (1424, 1565)]