26286680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{349}}^1$

素因数の和:636

約数の個数: 64

約数和(自身を含む): 68040000

約数和(自身を除く): 41753320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 269, 280, 349, 538, 698, 1076, 1345, 1396, 1745, 1883, 2152, 2443, 2690, 2792, 3490, 3766, 4886, 5380, 6980, 7532, 9415, 9772, 10760, 12215, 13960, 15064, 18830, 19544, 24430, 37660, 48860, 75320, 93881, 97720, 187762, 375524, 469405, 657167, 751048, 938810, 1314334, 1877620, 2628668, 3285835, 3755240, 5257336, 6571670, 13143340, 26286680]

約数ペア:

[(1, 26286680), (2, 13143340), (4, 6571670), (5, 5257336), (7, 3755240), (8, 3285835), (10, 2628668), (14, 1877620), (20, 1314334), (28, 938810), (35, 751048), (40, 657167), (56, 469405), (70, 375524), (140, 187762), (269, 97720), (280, 93881), (349, 75320), (538, 48860), (698, 37660), (1076, 24430), (1345, 19544), (1396, 18830), (1745, 15064), (1883, 13960), (2152, 12215), (2443, 10760), (2690, 9772), (2792, 9415), (3490, 7532), (3766, 6980), (4886, 5380)]