80605240

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{509}}^1$

素因数の和:664

約数の個数: 64

約数和(自身を含む): 188373600

約数和(自身を除く): 107768360

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 107, 148, 185, 214, 296, 370, 428, 509, 535, 740, 856, 1018, 1070, 1480, 2036, 2140, 2545, 3959, 4072, 4280, 5090, 7918, 10180, 15836, 18833, 19795, 20360, 31672, 37666, 39590, 54463, 75332, 79180, 94165, 108926, 150664, 158360, 188330, 217852, 272315, 376660, 435704, 544630, 753320, 1089260, 2015131, 2178520, 4030262, 8060524, 10075655, 16121048, 20151310, 40302620, 80605240]

約数ペア:

[(1, 80605240), (2, 40302620), (4, 20151310), (5, 16121048), (8, 10075655), (10, 8060524), (20, 4030262), (37, 2178520), (40, 2015131), (74, 1089260), (107, 753320), (148, 544630), (185, 435704), (214, 376660), (296, 272315), (370, 217852), (428, 188330), (509, 158360), (535, 150664), (740, 108926), (856, 94165), (1018, 79180), (1070, 75332), (1480, 54463), (2036, 39590), (2140, 37666), (2545, 31672), (3959, 20360), (4072, 19795), (4280, 18833), (5090, 15836), (7918, 10180)]