421960040

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{83063}}^1$

素因数の和:83201

約数の個数: 32

約数和(自身を含む): 956897280

約数和(自身を除く): 534937240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 83063, 166126, 332252, 415315, 664504, 830630, 1661260, 3322520, 10549001, 21098002, 42196004, 52745005, 84392008, 105490010, 210980020, 421960040]

約数ペア:

[(1, 421960040), (2, 210980020), (4, 105490010), (5, 84392008), (8, 52745005), (10, 42196004), (20, 21098002), (40, 10549001), (127, 3322520), (254, 1661260), (508, 830630), (635, 664504), (1016, 415315), (1270, 332252), (2540, 166126), (5080, 83063)]