20802650725

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{20521}}^1$

素因数の和:20638

約数の個数: 48

約数和(自身を含む): 28215944064

約数和(自身を除く): 7413293339

約数列:

[1, 5, 23, 25, 41, 43, 115, 205, 215, 575, 943, 989, 1025, 1075, 1763, 4715, 4945, 8815, 20521, 23575, 24725, 40549, 44075, 102605, 202745, 471983, 513025, 841361, 882403, 1013725, 2359915, 4206805, 4412015, 11799575, 19351303, 20295269, 21034025, 22060075, 36178523, 96756515, 101476345, 180892615, 483782575, 507381725, 832106029, 904463075, 4160530145, 20802650725]

約数ペア:

[(1, 20802650725), (5, 4160530145), (23, 904463075), (25, 832106029), (41, 507381725), (43, 483782575), (115, 180892615), (205, 101476345), (215, 96756515), (575, 36178523), (943, 22060075), (989, 21034025), (1025, 20295269), (1075, 19351303), (1763, 11799575), (4715, 4412015), (4945, 4206805), (8815, 2359915), (20521, 1013725), (23575, 882403), (24725, 841361), (40549, 513025), (44075, 471983), (102605, 202745)]