65918080

素因数分解:

$2^7\times 5^1\times {\mathrm{127}}^1\times {\mathrm{811}}^1$

素因数の和:957

約数の個数: 64

約数和(自身を含む): 159022080

約数和(自身を除く): 93104000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 320, 508, 635, 640, 811, 1016, 1270, 1622, 2032, 2540, 3244, 4055, 4064, 5080, 6488, 8110, 8128, 10160, 12976, 16220, 16256, 20320, 25952, 32440, 40640, 51904, 64880, 81280, 102997, 103808, 129760, 205994, 259520, 411988, 514985, 519040, 823976, 1029970, 1647952, 2059940, 3295904, 4119880, 6591808, 8239760, 13183616, 16479520, 32959040, 65918080]

約数ペア:

[(1, 65918080), (2, 32959040), (4, 16479520), (5, 13183616), (8, 8239760), (10, 6591808), (16, 4119880), (20, 3295904), (32, 2059940), (40, 1647952), (64, 1029970), (80, 823976), (127, 519040), (128, 514985), (160, 411988), (254, 259520), (320, 205994), (508, 129760), (635, 103808), (640, 102997), (811, 81280), (1016, 64880), (1270, 51904), (1622, 40640), (2032, 32440), (2540, 25952), (3244, 20320), (4055, 16256), (4064, 16220), (5080, 12976), (6488, 10160), (8110, 8128)]