1600840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1291}}^1$

素因数の和:1333

約数の個数: 32

約数和(自身を含む): 3720960

約数和(自身を除く): 2120120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 1291, 2582, 5164, 6455, 10328, 12910, 25820, 40021, 51640, 80042, 160084, 200105, 320168, 400210, 800420, 1600840]

約数ペア:

[(1, 1600840), (2, 800420), (4, 400210), (5, 320168), (8, 200105), (10, 160084), (20, 80042), (31, 51640), (40, 40021), (62, 25820), (124, 12910), (155, 10328), (248, 6455), (310, 5164), (620, 2582), (1240, 1291)]