26539840

素因数分解:

$2^6\times 5^1\times {\mathrm{197}}^1\times {\mathrm{421}}^1$

素因数の和:635

約数の個数: 56

約数和(自身を含む): 63669672

約数和(自身を除く): 37129832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 197, 320, 394, 421, 788, 842, 985, 1576, 1684, 1970, 2105, 3152, 3368, 3940, 4210, 6304, 6736, 7880, 8420, 12608, 13472, 15760, 16840, 26944, 31520, 33680, 63040, 67360, 82937, 134720, 165874, 331748, 414685, 663496, 829370, 1326992, 1658740, 2653984, 3317480, 5307968, 6634960, 13269920, 26539840]

約数ペア:

[(1, 26539840), (2, 13269920), (4, 6634960), (5, 5307968), (8, 3317480), (10, 2653984), (16, 1658740), (20, 1326992), (32, 829370), (40, 663496), (64, 414685), (80, 331748), (160, 165874), (197, 134720), (320, 82937), (394, 67360), (421, 63040), (788, 33680), (842, 31520), (985, 26944), (1576, 16840), (1684, 15760), (1970, 13472), (2105, 12608), (3152, 8420), (3368, 7880), (3940, 6736), (4210, 6304)]