2008177925

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1\times {\mathrm{811}}^1$

素因数の和:1254

約数の個数: 48

約数和(自身を含む): 2833360320

約数和(自身を除く): 825182395

約数列:

[1, 5, 13, 19, 25, 65, 95, 247, 325, 401, 475, 811, 1235, 2005, 4055, 5213, 6175, 7619, 10025, 10543, 15409, 20275, 26065, 38095, 52715, 77045, 99047, 130325, 190475, 200317, 263575, 325211, 385225, 495235, 1001585, 1626055, 2476175, 4227743, 5007925, 6179009, 8130275, 21138715, 30895045, 80327117, 105693575, 154475225, 401635585, 2008177925]

約数ペア:

[(1, 2008177925), (5, 401635585), (13, 154475225), (19, 105693575), (25, 80327117), (65, 30895045), (95, 21138715), (247, 8130275), (325, 6179009), (401, 5007925), (475, 4227743), (811, 2476175), (1235, 1626055), (2005, 1001585), (4055, 495235), (5213, 385225), (6175, 325211), (7619, 263575), (10025, 200317), (10543, 190475), (15409, 130325), (20275, 99047), (26065, 77045), (38095, 52715)]