2656158280

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{449}}^1\times {\mathrm{2083}}^1$

素因数の和:2614

約数の個数: 64

約数和(自身を含む): 6076944000

約数和(自身を除く): 3420785720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 449, 568, 710, 898, 1420, 1796, 2083, 2245, 2840, 3592, 4166, 4490, 8332, 8980, 10415, 16664, 17960, 20830, 31879, 41660, 63758, 83320, 127516, 147893, 159395, 255032, 295786, 318790, 591572, 637580, 739465, 935267, 1183144, 1275160, 1478930, 1870534, 2957860, 3741068, 4676335, 5915720, 7482136, 9352670, 18705340, 37410680, 66403957, 132807914, 265615828, 332019785, 531231656, 664039570, 1328079140, 2656158280]

約数ペア:

[(1, 2656158280), (2, 1328079140), (4, 664039570), (5, 531231656), (8, 332019785), (10, 265615828), (20, 132807914), (40, 66403957), (71, 37410680), (142, 18705340), (284, 9352670), (355, 7482136), (449, 5915720), (568, 4676335), (710, 3741068), (898, 2957860), (1420, 1870534), (1796, 1478930), (2083, 1275160), (2245, 1183144), (2840, 935267), (3592, 739465), (4166, 637580), (4490, 591572), (8332, 318790), (8980, 295786), (10415, 255032), (16664, 159395), (17960, 147893), (20830, 127516), (31879, 83320), (41660, 63758)]