65142920

素因数分解:

$2^3\times 5^1\times {\mathrm{709}}^1\times {\mathrm{2297}}^1$

素因数の和:3017

約数の個数: 32

約数和(自身を含む): 146842200

約数和(自身を除く): 81699280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 709, 1418, 2297, 2836, 3545, 4594, 5672, 7090, 9188, 11485, 14180, 18376, 22970, 28360, 45940, 91880, 1628573, 3257146, 6514292, 8142865, 13028584, 16285730, 32571460, 65142920]

約数ペア:

[(1, 65142920), (2, 32571460), (4, 16285730), (5, 13028584), (8, 8142865), (10, 6514292), (20, 3257146), (40, 1628573), (709, 91880), (1418, 45940), (2297, 28360), (2836, 22970), (3545, 18376), (4594, 14180), (5672, 11485), (7090, 9188)]