25280960

素因数分解:

$2^6\times 5^1\times {\mathrm{199}}^1\times {\mathrm{397}}^1$

素因数の和:613

約数の個数: 56

約数和(自身を含む): 60655200

約数和(自身を除く): 35374240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 199, 320, 397, 398, 794, 796, 995, 1588, 1592, 1985, 1990, 3176, 3184, 3970, 3980, 6352, 6368, 7940, 7960, 12704, 12736, 15880, 15920, 25408, 31760, 31840, 63520, 63680, 79003, 127040, 158006, 316012, 395015, 632024, 790030, 1264048, 1580060, 2528096, 3160120, 5056192, 6320240, 12640480, 25280960]

約数ペア:

[(1, 25280960), (2, 12640480), (4, 6320240), (5, 5056192), (8, 3160120), (10, 2528096), (16, 1580060), (20, 1264048), (32, 790030), (40, 632024), (64, 395015), (80, 316012), (160, 158006), (199, 127040), (320, 79003), (397, 63680), (398, 63520), (794, 31840), (796, 31760), (995, 25408), (1588, 15920), (1592, 15880), (1985, 12736), (1990, 12704), (3176, 7960), (3184, 7940), (3970, 6368), (3980, 6352)]