261773200

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{50341}}^1$

素因数の和:50372

約数の個数: 60

約数和(自身を含む): 677301268

約数和(自身を除く): 415528068

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 2600, 5200, 50341, 100682, 201364, 251705, 402728, 503410, 654433, 805456, 1006820, 1258525, 1308866, 2013640, 2517050, 2617732, 3272165, 4027280, 5034100, 5235464, 6544330, 10068200, 10470928, 13088660, 16360825, 20136400, 26177320, 32721650, 52354640, 65443300, 130886600, 261773200]

約数ペア:

[(1, 261773200), (2, 130886600), (4, 65443300), (5, 52354640), (8, 32721650), (10, 26177320), (13, 20136400), (16, 16360825), (20, 13088660), (25, 10470928), (26, 10068200), (40, 6544330), (50, 5235464), (52, 5034100), (65, 4027280), (80, 3272165), (100, 2617732), (104, 2517050), (130, 2013640), (200, 1308866), (208, 1258525), (260, 1006820), (325, 805456), (400, 654433), (520, 503410), (650, 402728), (1040, 251705), (1300, 201364), (2600, 100682), (5200, 50341)]