66532520

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{7883}}^1$

素因数の和:8105

約数の個数: 32

約数和(自身を含む): 150426720

約数和(自身を除く): 83894200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 4220, 7883, 8440, 15766, 31532, 39415, 63064, 78830, 157660, 315320, 1663313, 3326626, 6653252, 8316565, 13306504, 16633130, 33266260, 66532520]

約数ペア:

[(1, 66532520), (2, 33266260), (4, 16633130), (5, 13306504), (8, 8316565), (10, 6653252), (20, 3326626), (40, 1663313), (211, 315320), (422, 157660), (844, 78830), (1055, 63064), (1688, 39415), (2110, 31532), (4220, 15766), (7883, 8440)]