79000000

素因数分解:

$2^6\times 5^6\times {\mathrm{79}}^1$

素因数の和:121

約数の個数: 98

約数和(自身を含む): 198434960

約数和(自身を除く): 119434960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 79, 80, 100, 125, 158, 160, 200, 250, 316, 320, 395, 400, 500, 625, 632, 790, 800, 1000, 1250, 1264, 1580, 1600, 1975, 2000, 2500, 2528, 3125, 3160, 3950, 4000, 5000, 5056, 6250, 6320, 7900, 8000, 9875, 10000, 12500, 12640, 15625, 15800, 19750, 20000, 25000, 25280, 31250, 31600, 39500, 40000, 49375, 50000, 62500, 63200, 79000, 98750, 100000, 125000, 126400, 158000, 197500, 200000, 246875, 250000, 316000, 395000, 493750, 500000, 632000, 790000, 987500, 1000000, 1234375, 1580000, 1975000, 2468750, 3160000, 3950000, 4937500, 7900000, 9875000, 15800000, 19750000, 39500000, 79000000]

約数ペア:

[(1, 79000000), (2, 39500000), (4, 19750000), (5, 15800000), (8, 9875000), (10, 7900000), (16, 4937500), (20, 3950000), (25, 3160000), (32, 2468750), (40, 1975000), (50, 1580000), (64, 1234375), (79, 1000000), (80, 987500), (100, 790000), (125, 632000), (158, 500000), (160, 493750), (200, 395000), (250, 316000), (316, 250000), (320, 246875), (395, 200000), (400, 197500), (500, 158000), (625, 126400), (632, 125000), (790, 100000), (800, 98750), (1000, 79000), (1250, 63200), (1264, 62500), (1580, 50000), (1600, 49375), (1975, 40000), (2000, 39500), (2500, 31600), (2528, 31250), (3125, 25280), (3160, 25000), (3950, 20000), (4000, 19750), (5000, 15800), (5056, 15625), (6250, 12640), (6320, 12500), (7900, 10000), (8000, 9875)]