75138889720

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2341}}^1\times {\mathrm{18661}}^1$

素因数の和:21056

約数の個数: 64

約数和(自身を含む): 173077359840

約数和(自身を除く): 97938470120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 2341, 4682, 9364, 11705, 18661, 18728, 23410, 37322, 46820, 74644, 93305, 93640, 100663, 149288, 186610, 201326, 373220, 402652, 503315, 746440, 802423, 805304, 1006630, 1604846, 2013260, 3209692, 4012115, 4026520, 6419384, 8024230, 16048460, 32096920, 43685401, 87370802, 174741604, 218427005, 349483208, 436854010, 873708020, 1747416040, 1878472243, 3756944486, 7513888972, 9392361215, 15027777944, 18784722430, 37569444860, 75138889720]

約数ペア:

[(1, 75138889720), (2, 37569444860), (4, 18784722430), (5, 15027777944), (8, 9392361215), (10, 7513888972), (20, 3756944486), (40, 1878472243), (43, 1747416040), (86, 873708020), (172, 436854010), (215, 349483208), (344, 218427005), (430, 174741604), (860, 87370802), (1720, 43685401), (2341, 32096920), (4682, 16048460), (9364, 8024230), (11705, 6419384), (18661, 4026520), (18728, 4012115), (23410, 3209692), (37322, 2013260), (46820, 1604846), (74644, 1006630), (93305, 805304), (93640, 802423), (100663, 746440), (149288, 503315), (186610, 402652), (201326, 373220)]