25504000

素因数分解:

$2^8\times 5^3\times {\mathrm{797}}^1$

素因数の和:828

約数の個数: 72

約数和(自身を含む): 63613368

約数和(自身を除く): 38109368

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, 400, 500, 640, 797, 800, 1000, 1280, 1594, 1600, 2000, 3188, 3200, 3985, 4000, 6376, 6400, 7970, 8000, 12752, 15940, 16000, 19925, 25504, 31880, 32000, 39850, 51008, 63760, 79700, 99625, 102016, 127520, 159400, 199250, 204032, 255040, 318800, 398500, 510080, 637600, 797000, 1020160, 1275200, 1594000, 2550400, 3188000, 5100800, 6376000, 12752000, 25504000]

約数ペア:

[(1, 25504000), (2, 12752000), (4, 6376000), (5, 5100800), (8, 3188000), (10, 2550400), (16, 1594000), (20, 1275200), (25, 1020160), (32, 797000), (40, 637600), (50, 510080), (64, 398500), (80, 318800), (100, 255040), (125, 204032), (128, 199250), (160, 159400), (200, 127520), (250, 102016), (256, 99625), (320, 79700), (400, 63760), (500, 51008), (640, 39850), (797, 32000), (800, 31880), (1000, 25504), (1280, 19925), (1594, 16000), (1600, 15940), (2000, 12752), (3188, 8000), (3200, 7970), (3985, 6400), (4000, 6376)]