66824840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53891}}^1$

素因数の和:53933

約数の個数: 32

約数和(自身を含む): 155208960

約数和(自身を除く): 88384120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 53891, 107782, 215564, 269455, 431128, 538910, 1077820, 1670621, 2155640, 3341242, 6682484, 8353105, 13364968, 16706210, 33412420, 66824840]

約数ペア:

[(1, 66824840), (2, 33412420), (4, 16706210), (5, 13364968), (8, 8353105), (10, 6682484), (20, 3341242), (31, 2155640), (40, 1670621), (62, 1077820), (124, 538910), (155, 431128), (248, 269455), (310, 215564), (620, 107782), (1240, 53891)]