66546400

素因数分解:

$2^5\times 5^2\times {\mathrm{193}}^1\times {\mathrm{431}}^1$

素因数の和:644

約数の個数: 72

約数和(自身を含む): 163677024

約数和(自身を除く): 97130624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 193, 200, 386, 400, 431, 772, 800, 862, 965, 1544, 1724, 1930, 2155, 3088, 3448, 3860, 4310, 4825, 6176, 6896, 7720, 8620, 9650, 10775, 13792, 15440, 17240, 19300, 21550, 30880, 34480, 38600, 43100, 68960, 77200, 83183, 86200, 154400, 166366, 172400, 332732, 344800, 415915, 665464, 831830, 1330928, 1663660, 2079575, 2661856, 3327320, 4159150, 6654640, 8318300, 13309280, 16636600, 33273200, 66546400]

約数ペア:

[(1, 66546400), (2, 33273200), (4, 16636600), (5, 13309280), (8, 8318300), (10, 6654640), (16, 4159150), (20, 3327320), (25, 2661856), (32, 2079575), (40, 1663660), (50, 1330928), (80, 831830), (100, 665464), (160, 415915), (193, 344800), (200, 332732), (386, 172400), (400, 166366), (431, 154400), (772, 86200), (800, 83183), (862, 77200), (965, 68960), (1544, 43100), (1724, 38600), (1930, 34480), (2155, 30880), (3088, 21550), (3448, 19300), (3860, 17240), (4310, 15440), (4825, 13792), (6176, 10775), (6896, 9650), (7720, 8620)]