2497520000

素因数分解:

$2^7\times 5^4\times {\mathrm{31219}}^1$

素因数の和:31253

約数の個数: 80

約数和(自身を含む): 6217619100

約数和(自身を除く): 3720099100

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 320, 400, 500, 625, 640, 800, 1000, 1250, 1600, 2000, 2500, 3200, 4000, 5000, 8000, 10000, 16000, 20000, 31219, 40000, 62438, 80000, 124876, 156095, 249752, 312190, 499504, 624380, 780475, 999008, 1248760, 1560950, 1998016, 2497520, 3121900, 3902375, 3996032, 4995040, 6243800, 7804750, 9990080, 12487600, 15609500, 19511875, 19980160, 24975200, 31219000, 39023750, 49950400, 62438000, 78047500, 99900800, 124876000, 156095000, 249752000, 312190000, 499504000, 624380000, 1248760000, 2497520000]

約数ペア:

[(1, 2497520000), (2, 1248760000), (4, 624380000), (5, 499504000), (8, 312190000), (10, 249752000), (16, 156095000), (20, 124876000), (25, 99900800), (32, 78047500), (40, 62438000), (50, 49950400), (64, 39023750), (80, 31219000), (100, 24975200), (125, 19980160), (128, 19511875), (160, 15609500), (200, 12487600), (250, 9990080), (320, 7804750), (400, 6243800), (500, 4995040), (625, 3996032), (640, 3902375), (800, 3121900), (1000, 2497520), (1250, 1998016), (1600, 1560950), (2000, 1248760), (2500, 999008), (3200, 780475), (4000, 624380), (5000, 499504), (8000, 312190), (10000, 249752), (16000, 156095), (20000, 124876), (31219, 80000), (40000, 62438)]