80458717960

素因数分解:

$2^3\times 5^1\times {\mathrm{431}}^1\times {\mathrm{4666979}}^1$

素因数の和:4667421

約数の個数: 32

約数和(自身を含む): 181452182400

約数和(自身を除く): 100993464440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 431, 862, 1724, 2155, 3448, 4310, 8620, 17240, 4666979, 9333958, 18667916, 23334895, 37335832, 46669790, 93339580, 186679160, 2011467949, 4022935898, 8045871796, 10057339745, 16091743592, 20114679490, 40229358980, 80458717960]

約数ペア:

[(1, 80458717960), (2, 40229358980), (4, 20114679490), (5, 16091743592), (8, 10057339745), (10, 8045871796), (20, 4022935898), (40, 2011467949), (431, 186679160), (862, 93339580), (1724, 46669790), (2155, 37335832), (3448, 23334895), (4310, 18667916), (8620, 9333958), (17240, 4666979)]