79700000

素因数分解:

$2^5\times 5^5\times {\mathrm{797}}^1$

素因数の和:832

約数の個数: 72

約数和(自身を含む): 196370244

約数和(自身を除く): 116670244

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 625, 797, 800, 1000, 1250, 1594, 2000, 2500, 3125, 3188, 3985, 4000, 5000, 6250, 6376, 7970, 10000, 12500, 12752, 15940, 19925, 20000, 25000, 25504, 31880, 39850, 50000, 63760, 79700, 99625, 100000, 127520, 159400, 199250, 318800, 398500, 498125, 637600, 797000, 996250, 1594000, 1992500, 2490625, 3188000, 3985000, 4981250, 7970000, 9962500, 15940000, 19925000, 39850000, 79700000]

約数ペア:

[(1, 79700000), (2, 39850000), (4, 19925000), (5, 15940000), (8, 9962500), (10, 7970000), (16, 4981250), (20, 3985000), (25, 3188000), (32, 2490625), (40, 1992500), (50, 1594000), (80, 996250), (100, 797000), (125, 637600), (160, 498125), (200, 398500), (250, 318800), (400, 199250), (500, 159400), (625, 127520), (797, 100000), (800, 99625), (1000, 79700), (1250, 63760), (1594, 50000), (2000, 39850), (2500, 31880), (3125, 25504), (3188, 25000), (3985, 20000), (4000, 19925), (5000, 15940), (6250, 12752), (6376, 12500), (7970, 10000)]