79400000

素因数分解:

$2^6\times 5^5\times {\mathrm{397}}^1$

素因数の和:434

約数の個数: 84

約数和(自身を含む): 197432676

約数和(自身を除く): 118032676

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 160, 200, 250, 320, 397, 400, 500, 625, 794, 800, 1000, 1250, 1588, 1600, 1985, 2000, 2500, 3125, 3176, 3970, 4000, 5000, 6250, 6352, 7940, 8000, 9925, 10000, 12500, 12704, 15880, 19850, 20000, 25000, 25408, 31760, 39700, 40000, 49625, 50000, 63520, 79400, 99250, 100000, 127040, 158800, 198500, 200000, 248125, 317600, 397000, 496250, 635200, 794000, 992500, 1240625, 1588000, 1985000, 2481250, 3176000, 3970000, 4962500, 7940000, 9925000, 15880000, 19850000, 39700000, 79400000]

約数ペア:

[(1, 79400000), (2, 39700000), (4, 19850000), (5, 15880000), (8, 9925000), (10, 7940000), (16, 4962500), (20, 3970000), (25, 3176000), (32, 2481250), (40, 1985000), (50, 1588000), (64, 1240625), (80, 992500), (100, 794000), (125, 635200), (160, 496250), (200, 397000), (250, 317600), (320, 248125), (397, 200000), (400, 198500), (500, 158800), (625, 127040), (794, 100000), (800, 99250), (1000, 79400), (1250, 63520), (1588, 50000), (1600, 49625), (1985, 40000), (2000, 39700), (2500, 31760), (3125, 25408), (3176, 25000), (3970, 20000), (4000, 19850), (5000, 15880), (6250, 12704), (6352, 12500), (7940, 10000), (8000, 9925)]