55667960

素因数分解:

$2^3\times 5^1\times {\mathrm{431}}^1\times {\mathrm{3229}}^1$

素因数の和:3671

約数の個数: 32

約数和(自身を含む): 125582400

約数和(自身を除く): 69914440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 431, 862, 1724, 2155, 3229, 3448, 4310, 6458, 8620, 12916, 16145, 17240, 25832, 32290, 64580, 129160, 1391699, 2783398, 5566796, 6958495, 11133592, 13916990, 27833980, 55667960]

約数ペア:

[(1, 55667960), (2, 27833980), (4, 13916990), (5, 11133592), (8, 6958495), (10, 5566796), (20, 2783398), (40, 1391699), (431, 129160), (862, 64580), (1724, 32290), (2155, 25832), (3229, 17240), (3448, 16145), (4310, 12916), (6458, 8620)]