51520400

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{6779}}^1$

素因数の和:6816

約数の個数: 60

約数和(自身を含む): 130311600

約数和(自身を除く): 78791200

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 152, 190, 200, 304, 380, 400, 475, 760, 950, 1520, 1900, 3800, 6779, 7600, 13558, 27116, 33895, 54232, 67790, 108464, 128801, 135580, 169475, 257602, 271160, 338950, 515204, 542320, 644005, 677900, 1030408, 1288010, 1355800, 2060816, 2576020, 2711600, 3220025, 5152040, 6440050, 10304080, 12880100, 25760200, 51520400]

約数ペア:

[(1, 51520400), (2, 25760200), (4, 12880100), (5, 10304080), (8, 6440050), (10, 5152040), (16, 3220025), (19, 2711600), (20, 2576020), (25, 2060816), (38, 1355800), (40, 1288010), (50, 1030408), (76, 677900), (80, 644005), (95, 542320), (100, 515204), (152, 338950), (190, 271160), (200, 257602), (304, 169475), (380, 135580), (400, 128801), (475, 108464), (760, 67790), (950, 54232), (1520, 33895), (1900, 27116), (3800, 13558), (6779, 7600)]