42094975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1$

素因数の和:460

約数の個数: 48

約数和(自身を含む): 62808480

約数和(自身を除く): 20713505

約数列:

[1, 5, 13, 17, 19, 25, 65, 85, 95, 221, 247, 323, 325, 401, 425, 475, 1105, 1235, 1615, 2005, 4199, 5213, 5525, 6175, 6817, 7619, 8075, 10025, 20995, 26065, 34085, 38095, 88621, 99047, 104975, 129523, 130325, 170425, 190475, 443105, 495235, 647615, 1683799, 2215525, 2476175, 3238075, 8418995, 42094975]

約数ペア:

[(1, 42094975), (5, 8418995), (13, 3238075), (17, 2476175), (19, 2215525), (25, 1683799), (65, 647615), (85, 495235), (95, 443105), (221, 190475), (247, 170425), (323, 130325), (325, 129523), (401, 104975), (425, 99047), (475, 88621), (1105, 38095), (1235, 34085), (1615, 26065), (2005, 20995), (4199, 10025), (5213, 8075), (5525, 7619), (6175, 6817)]