39365240

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{167}}^1$

素因数の和:332

約数の個数: 64

約数和(自身を含む): 91445760

約数和(自身を除く): 52080520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 83, 142, 166, 167, 284, 332, 334, 355, 415, 568, 664, 668, 710, 830, 835, 1336, 1420, 1660, 1670, 2840, 3320, 3340, 5893, 6680, 11786, 11857, 13861, 23572, 23714, 27722, 29465, 47144, 47428, 55444, 58930, 59285, 69305, 94856, 110888, 117860, 118570, 138610, 235720, 237140, 277220, 474280, 554440, 984131, 1968262, 3936524, 4920655, 7873048, 9841310, 19682620, 39365240]

約数ペア:

[(1, 39365240), (2, 19682620), (4, 9841310), (5, 7873048), (8, 4920655), (10, 3936524), (20, 1968262), (40, 984131), (71, 554440), (83, 474280), (142, 277220), (166, 237140), (167, 235720), (284, 138610), (332, 118570), (334, 117860), (355, 110888), (415, 94856), (568, 69305), (664, 59285), (668, 58930), (710, 55444), (830, 47428), (835, 47144), (1336, 29465), (1420, 27722), (1660, 23714), (1670, 23572), (2840, 13861), (3320, 11857), (3340, 11786), (5893, 6680)]