28965340

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{17449}}^1$

素因数の和:17541

約数の個数: 24

約数和(自身を含む): 61563600

約数和(自身を除く): 32598260

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 17449, 34898, 69796, 87245, 174490, 348980, 1448267, 2896534, 5793068, 7241335, 14482670, 28965340]

約数ペア:

[(1, 28965340), (2, 14482670), (4, 7241335), (5, 5793068), (10, 2896534), (20, 1448267), (83, 348980), (166, 174490), (332, 87245), (415, 69796), (830, 34898), (1660, 17449)]