80268800

素因数分解:

$2^9\times 5^2\times {\mathrm{6271}}^1$

素因数の和:6299

約数の個数: 60

約数和(自身を含む): 198903936

約数和(自身を除く): 118635136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 512, 640, 800, 1280, 1600, 2560, 3200, 6271, 6400, 12542, 12800, 25084, 31355, 50168, 62710, 100336, 125420, 156775, 200672, 250840, 313550, 401344, 501680, 627100, 802688, 1003360, 1254200, 1605376, 2006720, 2508400, 3210752, 4013440, 5016800, 8026880, 10033600, 16053760, 20067200, 40134400, 80268800]

約数ペア:

[(1, 80268800), (2, 40134400), (4, 20067200), (5, 16053760), (8, 10033600), (10, 8026880), (16, 5016800), (20, 4013440), (25, 3210752), (32, 2508400), (40, 2006720), (50, 1605376), (64, 1254200), (80, 1003360), (100, 802688), (128, 627100), (160, 501680), (200, 401344), (256, 313550), (320, 250840), (400, 200672), (512, 156775), (640, 125420), (800, 100336), (1280, 62710), (1600, 50168), (2560, 31355), (3200, 25084), (6271, 12800), (6400, 12542)]