39157340

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{461}}^1$

素因数の和:638

約数の個数: 48

約数和(自身を含む): 85688064

約数和(自身を除く): 46530724

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 137, 155, 274, 310, 461, 548, 620, 685, 922, 1370, 1844, 2305, 2740, 4247, 4610, 8494, 9220, 14291, 16988, 21235, 28582, 42470, 57164, 63157, 71455, 84940, 126314, 142910, 252628, 285820, 315785, 631570, 1263140, 1957867, 3915734, 7831468, 9789335, 19578670, 39157340]

約数ペア:

[(1, 39157340), (2, 19578670), (4, 9789335), (5, 7831468), (10, 3915734), (20, 1957867), (31, 1263140), (62, 631570), (124, 315785), (137, 285820), (155, 252628), (274, 142910), (310, 126314), (461, 84940), (548, 71455), (620, 63157), (685, 57164), (922, 42470), (1370, 28582), (1844, 21235), (2305, 16988), (2740, 14291), (4247, 9220), (4610, 8494)]