63520000

素因数分解:

$2^8\times 5^4\times {\mathrm{397}}^1$

素因数の和:433

約数の個数: 90

約数和(自身を含む): 158838218

約数和(自身を除く): 95318218

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 256, 320, 397, 400, 500, 625, 640, 794, 800, 1000, 1250, 1280, 1588, 1600, 1985, 2000, 2500, 3176, 3200, 3970, 4000, 5000, 6352, 6400, 7940, 8000, 9925, 10000, 12704, 15880, 16000, 19850, 20000, 25408, 31760, 32000, 39700, 40000, 49625, 50816, 63520, 79400, 80000, 99250, 101632, 127040, 158800, 160000, 198500, 248125, 254080, 317600, 397000, 496250, 508160, 635200, 794000, 992500, 1270400, 1588000, 1985000, 2540800, 3176000, 3970000, 6352000, 7940000, 12704000, 15880000, 31760000, 63520000]

約数ペア:

[(1, 63520000), (2, 31760000), (4, 15880000), (5, 12704000), (8, 7940000), (10, 6352000), (16, 3970000), (20, 3176000), (25, 2540800), (32, 1985000), (40, 1588000), (50, 1270400), (64, 992500), (80, 794000), (100, 635200), (125, 508160), (128, 496250), (160, 397000), (200, 317600), (250, 254080), (256, 248125), (320, 198500), (397, 160000), (400, 158800), (500, 127040), (625, 101632), (640, 99250), (794, 80000), (800, 79400), (1000, 63520), (1250, 50816), (1280, 49625), (1588, 40000), (1600, 39700), (1985, 32000), (2000, 31760), (2500, 25408), (3176, 20000), (3200, 19850), (3970, 16000), (4000, 15880), (5000, 12704), (6352, 10000), (6400, 9925), (7940, 8000)]