80677675

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 115492608

約数和(自身を除く): 34814933

約数列:

[1, 5, 13, 23, 25, 43, 65, 115, 215, 251, 299, 325, 559, 575, 989, 1075, 1255, 1495, 2795, 3263, 4945, 5773, 6275, 7475, 10793, 12857, 13975, 16315, 24725, 28865, 53965, 64285, 75049, 81575, 140309, 144325, 248239, 269825, 321425, 375245, 701545, 1241195, 1876225, 3227107, 3507725, 6205975, 16135535, 80677675]

約数ペア:

[(1, 80677675), (5, 16135535), (13, 6205975), (23, 3507725), (25, 3227107), (43, 1876225), (65, 1241195), (115, 701545), (215, 375245), (251, 321425), (299, 269825), (325, 248239), (559, 144325), (575, 140309), (989, 81575), (1075, 75049), (1255, 64285), (1495, 53965), (2795, 28865), (3263, 24725), (4945, 16315), (5773, 13975), (6275, 12857), (7475, 10793)]