55214920

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{16631}}^1$

素因数の和:16725

約数の個数: 32

約数和(自身を含む): 125737920

約数和(自身を除く): 70523000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 16631, 33262, 66524, 83155, 133048, 166310, 332620, 665240, 1380373, 2760746, 5521492, 6901865, 11042984, 13803730, 27607460, 55214920]

約数ペア:

[(1, 55214920), (2, 27607460), (4, 13803730), (5, 11042984), (8, 6901865), (10, 5521492), (20, 2760746), (40, 1380373), (83, 665240), (166, 332620), (332, 166310), (415, 133048), (664, 83155), (830, 66524), (1660, 33262), (3320, 16631)]