80640476

素因数分解:

$2^2\times 7^2\times {\mathrm{83}}^1\times {\mathrm{4957}}^1$

素因数の和:5058

約数の個数: 36

約数和(自身を含む): 166172328

約数和(自身を除く): 85531852

約数列:

[1, 2, 4, 7, 14, 28, 49, 83, 98, 166, 196, 332, 581, 1162, 2324, 4067, 4957, 8134, 9914, 16268, 19828, 34699, 69398, 138796, 242893, 411431, 485786, 822862, 971572, 1645724, 2880017, 5760034, 11520068, 20160119, 40320238, 80640476]

約数ペア:

[(1, 80640476), (2, 40320238), (4, 20160119), (7, 11520068), (14, 5760034), (28, 2880017), (49, 1645724), (83, 971572), (98, 822862), (166, 485786), (196, 411431), (332, 242893), (581, 138796), (1162, 69398), (2324, 34699), (4067, 19828), (4957, 16268), (8134, 9914)]