20565587500

素因数分解:

$2^2\times 5^5\times {\mathrm{701}}^1\times {\mathrm{2347}}^1$

素因数の和:3077

約数の個数: 72

約数和(自身を含む): 45067709232

約数和(自身を除く): 24502121732

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 701, 1250, 1402, 2347, 2500, 2804, 3125, 3505, 4694, 6250, 7010, 9388, 11735, 12500, 14020, 17525, 23470, 35050, 46940, 58675, 70100, 87625, 117350, 175250, 234700, 293375, 350500, 438125, 586750, 876250, 1173500, 1466875, 1645247, 1752500, 2190625, 2933750, 3290494, 4381250, 5867500, 6580988, 7334375, 8226235, 8762500, 14668750, 16452470, 29337500, 32904940, 41131175, 82262350, 164524700, 205655875, 411311750, 822623500, 1028279375, 2056558750, 4113117500, 5141396875, 10282793750, 20565587500]

約数ペア:

[(1, 20565587500), (2, 10282793750), (4, 5141396875), (5, 4113117500), (10, 2056558750), (20, 1028279375), (25, 822623500), (50, 411311750), (100, 205655875), (125, 164524700), (250, 82262350), (500, 41131175), (625, 32904940), (701, 29337500), (1250, 16452470), (1402, 14668750), (2347, 8762500), (2500, 8226235), (2804, 7334375), (3125, 6580988), (3505, 5867500), (4694, 4381250), (6250, 3290494), (7010, 2933750), (9388, 2190625), (11735, 1752500), (12500, 1645247), (14020, 1466875), (17525, 1173500), (23470, 876250), (35050, 586750), (46940, 438125), (58675, 350500), (70100, 293375), (87625, 234700), (117350, 175250)]