2018188880

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{869909}}^1$

素因数の和:869951

約数の個数: 40

約数和(自身を含む): 4854097800

約数和(自身を除く): 2835908920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 869909, 1739818, 3479636, 4349545, 6959272, 8699090, 13918544, 17398180, 25227361, 34796360, 50454722, 69592720, 100909444, 126136805, 201818888, 252273610, 403637776, 504547220, 1009094440, 2018188880]

約数ペア:

[(1, 2018188880), (2, 1009094440), (4, 504547220), (5, 403637776), (8, 252273610), (10, 201818888), (16, 126136805), (20, 100909444), (29, 69592720), (40, 50454722), (58, 34796360), (80, 25227361), (116, 17398180), (145, 13918544), (232, 8699090), (290, 6959272), (464, 4349545), (580, 3479636), (1160, 1739818), (2320, 869909)]