40517420

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{33211}}^1$

素因数の和:33281

約数の個数: 24

約数和(自身を含む): 86484048

約数和(自身を除く): 45966628

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 33211, 66422, 132844, 166055, 332110, 664220, 2025871, 4051742, 8103484, 10129355, 20258710, 40517420]

約数ペア:

[(1, 40517420), (2, 20258710), (4, 10129355), (5, 8103484), (10, 4051742), (20, 2025871), (61, 664220), (122, 332110), (244, 166055), (305, 132844), (610, 66422), (1220, 33211)]