2629840

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{463}}^1$

素因数の和:547

約数の個数: 40

約数和(自身を含む): 6213888

約数和(自身を除く): 3584048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 463, 568, 710, 926, 1136, 1420, 1852, 2315, 2840, 3704, 4630, 5680, 7408, 9260, 18520, 32873, 37040, 65746, 131492, 164365, 262984, 328730, 525968, 657460, 1314920, 2629840]

約数ペア:

[(1, 2629840), (2, 1314920), (4, 657460), (5, 525968), (8, 328730), (10, 262984), (16, 164365), (20, 131492), (40, 65746), (71, 37040), (80, 32873), (142, 18520), (284, 9260), (355, 7408), (463, 5680), (568, 4630), (710, 3704), (926, 2840), (1136, 2315), (1420, 1852)]