40647920

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{4933}}^1$

素因数の和:5049

約数の個数: 40

約数和(自身を含む): 95443296

約数和(自身を除く): 54795376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 824, 1030, 1648, 2060, 4120, 4933, 8240, 9866, 19732, 24665, 39464, 49330, 78928, 98660, 197320, 394640, 508099, 1016198, 2032396, 2540495, 4064792, 5080990, 8129584, 10161980, 20323960, 40647920]

約数ペア:

[(1, 40647920), (2, 20323960), (4, 10161980), (5, 8129584), (8, 5080990), (10, 4064792), (16, 2540495), (20, 2032396), (40, 1016198), (80, 508099), (103, 394640), (206, 197320), (412, 98660), (515, 78928), (824, 49330), (1030, 39464), (1648, 24665), (2060, 19732), (4120, 9866), (4933, 8240)]