2017855960

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{15959}}^1$

素因数の和:16108

約数の個数: 64

約数和(自身を含む): 4740120000

約数和(自身を除く): 2722264040

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 109, 116, 145, 218, 232, 290, 436, 545, 580, 872, 1090, 1160, 2180, 3161, 4360, 6322, 12644, 15805, 15959, 25288, 31610, 31918, 63220, 63836, 79795, 126440, 127672, 159590, 319180, 462811, 638360, 925622, 1739531, 1851244, 2314055, 3479062, 3702488, 4628110, 6958124, 8697655, 9256220, 13916248, 17395310, 18512440, 34790620, 50446399, 69581240, 100892798, 201785596, 252231995, 403571192, 504463990, 1008927980, 2017855960]

約数ペア:

[(1, 2017855960), (2, 1008927980), (4, 504463990), (5, 403571192), (8, 252231995), (10, 201785596), (20, 100892798), (29, 69581240), (40, 50446399), (58, 34790620), (109, 18512440), (116, 17395310), (145, 13916248), (218, 9256220), (232, 8697655), (290, 6958124), (436, 4628110), (545, 3702488), (580, 3479062), (872, 2314055), (1090, 1851244), (1160, 1739531), (2180, 925622), (3161, 638360), (4360, 462811), (6322, 319180), (12644, 159590), (15805, 127672), (15959, 126440), (25288, 79795), (31610, 63836), (31918, 63220)]