79405880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{64037}}^1$

素因数の和:64079

約数の個数: 32

約数和(自身を含む): 184429440

約数和(自身を除く): 105023560

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 64037, 128074, 256148, 320185, 512296, 640370, 1280740, 1985147, 2561480, 3970294, 7940588, 9925735, 15881176, 19851470, 39702940, 79405880]

約数ペア:

[(1, 79405880), (2, 39702940), (4, 19851470), (5, 15881176), (8, 9925735), (10, 7940588), (20, 3970294), (31, 2561480), (40, 1985147), (62, 1280740), (124, 640370), (155, 512296), (248, 320185), (310, 256148), (620, 128074), (1240, 64037)]