64975040

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15619}}^1$

素因数の和:15649

約数の個数: 56

約数和(自身を含む): 166634160

約数和(自身を除く): 101659120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 15619, 31238, 62476, 78095, 124952, 156190, 203047, 249904, 312380, 406094, 499808, 624760, 812188, 999616, 1015235, 1249520, 1624376, 2030470, 2499040, 3248752, 4060940, 4998080, 6497504, 8121880, 12995008, 16243760, 32487520, 64975040]

約数ペア:

[(1, 64975040), (2, 32487520), (4, 16243760), (5, 12995008), (8, 8121880), (10, 6497504), (13, 4998080), (16, 4060940), (20, 3248752), (26, 2499040), (32, 2030470), (40, 1624376), (52, 1249520), (64, 1015235), (65, 999616), (80, 812188), (104, 624760), (130, 499808), (160, 406094), (208, 312380), (260, 249904), (320, 203047), (416, 156190), (520, 124952), (832, 78095), (1040, 62476), (2080, 31238), (4160, 15619)]