40213820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1753}}^1$

素因数の和:1830

約数の個数: 48

約数和(自身を含む): 89580288

約数和(自身を除く): 49366468

約数列:

[1, 2, 4, 5, 10, 20, 31, 37, 62, 74, 124, 148, 155, 185, 310, 370, 620, 740, 1147, 1753, 2294, 3506, 4588, 5735, 7012, 8765, 11470, 17530, 22940, 35060, 54343, 64861, 108686, 129722, 217372, 259444, 271715, 324305, 543430, 648610, 1086860, 1297220, 2010691, 4021382, 8042764, 10053455, 20106910, 40213820]

約数ペア:

[(1, 40213820), (2, 20106910), (4, 10053455), (5, 8042764), (10, 4021382), (20, 2010691), (31, 1297220), (37, 1086860), (62, 648610), (74, 543430), (124, 324305), (148, 271715), (155, 259444), (185, 217372), (310, 129722), (370, 108686), (620, 64861), (740, 54343), (1147, 35060), (1753, 22940), (2294, 17530), (3506, 11470), (4588, 8765), (5735, 7012)]