80931427180

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{313}}^1\times {\mathrm{243931}}^1$

素因数の和:244306

約数の個数: 48

約数和(自身を含む): 173716661664

約数和(自身を除く): 92785234484

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 313, 530, 626, 1060, 1252, 1565, 3130, 6260, 16589, 33178, 66356, 82945, 165890, 243931, 331780, 487862, 975724, 1219655, 2439310, 4878620, 12928343, 25856686, 51713372, 64641715, 76350403, 129283430, 152700806, 258566860, 305401612, 381752015, 763504030, 1527008060, 4046571359, 8093142718, 16186285436, 20232856795, 40465713590, 80931427180]

約数ペア:

[(1, 80931427180), (2, 40465713590), (4, 20232856795), (5, 16186285436), (10, 8093142718), (20, 4046571359), (53, 1527008060), (106, 763504030), (212, 381752015), (265, 305401612), (313, 258566860), (530, 152700806), (626, 129283430), (1060, 76350403), (1252, 64641715), (1565, 51713372), (3130, 25856686), (6260, 12928343), (16589, 4878620), (33178, 2439310), (66356, 1219655), (82945, 975724), (165890, 487862), (243931, 331780)]