81240410

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{1373}}^1$

素因数の和:1538

約数の個数: 32

約数和(自身を含む): 150271632

約数和(自身を除く): 69031222

約数列:

[1, 2, 5, 10, 61, 97, 122, 194, 305, 485, 610, 970, 1373, 2746, 5917, 6865, 11834, 13730, 29585, 59170, 83753, 133181, 167506, 266362, 418765, 665905, 837530, 1331810, 8124041, 16248082, 40620205, 81240410]

約数ペア:

[(1, 81240410), (2, 40620205), (5, 16248082), (10, 8124041), (61, 1331810), (97, 837530), (122, 665905), (194, 418765), (305, 266362), (485, 167506), (610, 133181), (970, 83753), (1373, 59170), (2746, 29585), (5917, 13730), (6865, 11834)]