80821402

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:251

約数の個数: 48

約数和(自身を含む): 138696192

約数和(自身を除く): 57874790

約数列:

[1, 2, 19, 23, 31, 38, 46, 62, 157, 314, 361, 437, 589, 713, 722, 874, 1178, 1426, 2983, 3611, 4867, 5966, 7222, 8303, 9734, 11191, 13547, 16606, 22382, 27094, 56677, 68609, 92473, 111941, 113354, 137218, 184946, 223882, 257393, 514786, 1303571, 1756987, 2126879, 2607142, 3513974, 4253758, 40410701, 80821402]

約数ペア:

[(1, 80821402), (2, 40410701), (19, 4253758), (23, 3513974), (31, 2607142), (38, 2126879), (46, 1756987), (62, 1303571), (157, 514786), (314, 257393), (361, 223882), (437, 184946), (589, 137218), (713, 113354), (722, 111941), (874, 92473), (1178, 68609), (1426, 56677), (2983, 27094), (3611, 22382), (4867, 16606), (5966, 13547), (7222, 11191), (8303, 9734)]