80154340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{2281}}^1$

素因数の和:2548

約数の個数: 48

約数和(自身を含む): 193221504

約数和(自身を除く): 113067164

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 251, 502, 1004, 1255, 1757, 2281, 2510, 3514, 4562, 5020, 7028, 8785, 9124, 11405, 15967, 17570, 22810, 31934, 35140, 45620, 63868, 79835, 159670, 319340, 572531, 1145062, 2290124, 2862655, 4007717, 5725310, 8015434, 11450620, 16030868, 20038585, 40077170, 80154340]

約数ペア:

[(1, 80154340), (2, 40077170), (4, 20038585), (5, 16030868), (7, 11450620), (10, 8015434), (14, 5725310), (20, 4007717), (28, 2862655), (35, 2290124), (70, 1145062), (140, 572531), (251, 319340), (502, 159670), (1004, 79835), (1255, 63868), (1757, 45620), (2281, 35140), (2510, 31934), (3514, 22810), (4562, 17570), (5020, 15967), (7028, 11405), (8785, 9124)]