81727040

素因数分解:

$2^6\times 5^1\times {\mathrm{127}}^1\times {\mathrm{2011}}^1$

素因数の和:2155

約数の個数: 56

約数和(自身を含む): 196242432

約数和(自身を除く): 114515392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 160, 254, 320, 508, 635, 1016, 1270, 2011, 2032, 2540, 4022, 4064, 5080, 8044, 8128, 10055, 10160, 16088, 20110, 20320, 32176, 40220, 40640, 64352, 80440, 128704, 160880, 255397, 321760, 510794, 643520, 1021588, 1276985, 2043176, 2553970, 4086352, 5107940, 8172704, 10215880, 16345408, 20431760, 40863520, 81727040]

約数ペア:

[(1, 81727040), (2, 40863520), (4, 20431760), (5, 16345408), (8, 10215880), (10, 8172704), (16, 5107940), (20, 4086352), (32, 2553970), (40, 2043176), (64, 1276985), (80, 1021588), (127, 643520), (160, 510794), (254, 321760), (320, 255397), (508, 160880), (635, 128704), (1016, 80440), (1270, 64352), (2011, 40640), (2032, 40220), (2540, 32176), (4022, 20320), (4064, 20110), (5080, 16088), (8044, 10160), (8128, 10055)]