39702940

素因数分解:

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

素因数の和:64077

約数の個数: 24

約数和(自身を含む): 86067072

約数和(自身を除く): 46364132

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 64037, 128074, 256148, 320185, 640370, 1280740, 1985147, 3970294, 7940588, 9925735, 19851470, 39702940]

約数ペア:

[(1, 39702940), (2, 19851470), (4, 9925735), (5, 7940588), (10, 3970294), (20, 1985147), (31, 1280740), (62, 640370), (124, 320185), (155, 256148), (310, 128074), (620, 64037)]