20160206025

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{1109}}^1\times {\mathrm{12757}}^1$

素因数の和:13898

約数の個数: 48

約数和(自身を含む): 35120222400

約数和(自身を除く): 14960016375

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 285, 475, 1109, 1425, 3327, 5545, 12757, 16635, 21071, 27725, 38271, 63213, 63785, 83175, 105355, 191355, 242383, 316065, 318925, 526775, 727149, 956775, 1211915, 1580325, 3635745, 6059575, 14147513, 18178725, 42442539, 70737565, 212212695, 268802747, 353687825, 806408241, 1061063475, 1344013735, 4032041205, 6720068675, 20160206025]

約数ペア:

[(1, 20160206025), (3, 6720068675), (5, 4032041205), (15, 1344013735), (19, 1061063475), (25, 806408241), (57, 353687825), (75, 268802747), (95, 212212695), (285, 70737565), (475, 42442539), (1109, 18178725), (1425, 14147513), (3327, 6059575), (5545, 3635745), (12757, 1580325), (16635, 1211915), (21071, 956775), (27725, 727149), (38271, 526775), (63213, 318925), (63785, 316065), (83175, 242383), (105355, 191355)]