2016172520

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{238883}}^1$

素因数の和:239105

約数の個数: 32

約数和(自身を含む): 4557906720

約数和(自身を除く): 2541734200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 4220, 8440, 238883, 477766, 955532, 1194415, 1911064, 2388830, 4777660, 9555320, 50404313, 100808626, 201617252, 252021565, 403234504, 504043130, 1008086260, 2016172520]

約数ペア:

[(1, 2016172520), (2, 1008086260), (4, 504043130), (5, 403234504), (8, 252021565), (10, 201617252), (20, 100808626), (40, 50404313), (211, 9555320), (422, 4777660), (844, 2388830), (1055, 1911064), (1688, 1194415), (2110, 955532), (4220, 477766), (8440, 238883)]