38789000

素因数分解:

$2^3\times 5^3\times {\mathrm{79}}^1\times {\mathrm{491}}^1$

素因数の和:591

約数の個数: 64

約数和(自身を含む): 92102400

約数和(自身を除く): 53313400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 79, 100, 125, 158, 200, 250, 316, 395, 491, 500, 632, 790, 982, 1000, 1580, 1964, 1975, 2455, 3160, 3928, 3950, 4910, 7900, 9820, 9875, 12275, 15800, 19640, 19750, 24550, 38789, 39500, 49100, 61375, 77578, 79000, 98200, 122750, 155156, 193945, 245500, 310312, 387890, 491000, 775780, 969725, 1551560, 1939450, 3878900, 4848625, 7757800, 9697250, 19394500, 38789000]

約数ペア:

[(1, 38789000), (2, 19394500), (4, 9697250), (5, 7757800), (8, 4848625), (10, 3878900), (20, 1939450), (25, 1551560), (40, 969725), (50, 775780), (79, 491000), (100, 387890), (125, 310312), (158, 245500), (200, 193945), (250, 155156), (316, 122750), (395, 98200), (491, 79000), (500, 77578), (632, 61375), (790, 49100), (982, 39500), (1000, 38789), (1580, 24550), (1964, 19750), (1975, 19640), (2455, 15800), (3160, 12275), (3928, 9875), (3950, 9820), (4910, 7900)]