81272600

素因数分解:

$2^3\times 5^2\times {\mathrm{383}}^1\times {\mathrm{1061}}^1$

素因数の和:1460

約数の個数: 48

約数和(自身を含む): 189630720

約数和(自身を除く): 108358120

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 383, 766, 1061, 1532, 1915, 2122, 3064, 3830, 4244, 5305, 7660, 8488, 9575, 10610, 15320, 19150, 21220, 26525, 38300, 42440, 53050, 76600, 106100, 212200, 406363, 812726, 1625452, 2031815, 3250904, 4063630, 8127260, 10159075, 16254520, 20318150, 40636300, 81272600]

約数ペア:

[(1, 81272600), (2, 40636300), (4, 20318150), (5, 16254520), (8, 10159075), (10, 8127260), (20, 4063630), (25, 3250904), (40, 2031815), (50, 1625452), (100, 812726), (200, 406363), (383, 212200), (766, 106100), (1061, 76600), (1532, 53050), (1915, 42440), (2122, 38300), (3064, 26525), (3830, 21220), (4244, 19150), (5305, 15320), (7660, 10610), (8488, 9575)]