2196520

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{617}}^1$

素因数の和:717

約数の個数: 32

約数和(自身を含む): 5005800

約数和(自身を除く): 2809280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 617, 712, 890, 1234, 1780, 2468, 3085, 3560, 4936, 6170, 12340, 24680, 54913, 109826, 219652, 274565, 439304, 549130, 1098260, 2196520]

約数ペア:

[(1, 2196520), (2, 1098260), (4, 549130), (5, 439304), (8, 274565), (10, 219652), (20, 109826), (40, 54913), (89, 24680), (178, 12340), (356, 6170), (445, 4936), (617, 3560), (712, 3085), (890, 2468), (1234, 1780)]