5380494920

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1620631}}^1$

素因数の和:1620725

約数の個数: 32

約数和(自身を含む): 12251977920

約数和(自身を除く): 6871483000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 1620631, 3241262, 6482524, 8103155, 12965048, 16206310, 32412620, 64825240, 134512373, 269024746, 538049492, 672561865, 1076098984, 1345123730, 2690247460, 5380494920]

約数ペア:

[(1, 5380494920), (2, 2690247460), (4, 1345123730), (5, 1076098984), (8, 672561865), (10, 538049492), (20, 269024746), (40, 134512373), (83, 64825240), (166, 32412620), (332, 16206310), (415, 12965048), (664, 8103155), (830, 6482524), (1660, 3241262), (3320, 1620631)]