80821430

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{1699}}^1$

素因数の和:1844

約数の個数: 32

約数和(自身を含む): 149817600

約数和(自身を除く): 68996170

約数列:

[1, 2, 5, 10, 67, 71, 134, 142, 335, 355, 670, 710, 1699, 3398, 4757, 8495, 9514, 16990, 23785, 47570, 113833, 120629, 227666, 241258, 569165, 603145, 1138330, 1206290, 8082143, 16164286, 40410715, 80821430]

約数ペア:

[(1, 80821430), (2, 40410715), (5, 16164286), (10, 8082143), (67, 1206290), (71, 1138330), (134, 603145), (142, 569165), (335, 241258), (355, 227666), (670, 120629), (710, 113833), (1699, 47570), (3398, 23785), (4757, 16990), (8495, 9514)]