9925540

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:304

約数の個数: 48

約数和(自身を含む): 21898800

約数和(自身を除く): 11973260

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 109, 116, 145, 157, 218, 290, 314, 436, 545, 580, 628, 785, 1090, 1570, 2180, 3140, 3161, 4553, 6322, 9106, 12644, 15805, 17113, 18212, 22765, 31610, 34226, 45530, 63220, 68452, 85565, 91060, 171130, 342260, 496277, 992554, 1985108, 2481385, 4962770, 9925540]

約数ペア:

[(1, 9925540), (2, 4962770), (4, 2481385), (5, 1985108), (10, 992554), (20, 496277), (29, 342260), (58, 171130), (109, 91060), (116, 85565), (145, 68452), (157, 63220), (218, 45530), (290, 34226), (314, 31610), (436, 22765), (545, 18212), (580, 17113), (628, 15805), (785, 12644), (1090, 9106), (1570, 6322), (2180, 4553), (3140, 3161)]