39155800

素因数分解:

$2^3\times 5^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:245

約数の個数: 96

約数和(自身を含む): 96980400

約数和(自身を除く): 57824600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 29, 40, 43, 50, 58, 86, 100, 116, 145, 157, 172, 200, 215, 232, 290, 314, 344, 430, 580, 628, 725, 785, 860, 1075, 1160, 1247, 1256, 1450, 1570, 1720, 2150, 2494, 2900, 3140, 3925, 4300, 4553, 4988, 5800, 6235, 6280, 6751, 7850, 8600, 9106, 9976, 12470, 13502, 15700, 18212, 22765, 24940, 27004, 31175, 31400, 33755, 36424, 45530, 49880, 54008, 62350, 67510, 91060, 113825, 124700, 135020, 168775, 182120, 195779, 227650, 249400, 270040, 337550, 391558, 455300, 675100, 783116, 910600, 978895, 1350200, 1566232, 1957790, 3915580, 4894475, 7831160, 9788950, 19577900, 39155800]

約数ペア:

[(1, 39155800), (2, 19577900), (4, 9788950), (5, 7831160), (8, 4894475), (10, 3915580), (20, 1957790), (25, 1566232), (29, 1350200), (40, 978895), (43, 910600), (50, 783116), (58, 675100), (86, 455300), (100, 391558), (116, 337550), (145, 270040), (157, 249400), (172, 227650), (200, 195779), (215, 182120), (232, 168775), (290, 135020), (314, 124700), (344, 113825), (430, 91060), (580, 67510), (628, 62350), (725, 54008), (785, 49880), (860, 45530), (1075, 36424), (1160, 33755), (1247, 31400), (1256, 31175), (1450, 27004), (1570, 24940), (1720, 22765), (2150, 18212), (2494, 15700), (2900, 13502), (3140, 12470), (3925, 9976), (4300, 9106), (4553, 8600), (4988, 7850), (5800, 6751), (6235, 6280)]