18087304040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1709}}^1\times {\mathrm{20353}}^1$

素因数の和:22086

約数の個数: 64

約数和(自身を含む): 43854728400

約数和(自身を除く): 25767424360

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 1709, 3418, 6836, 8545, 13672, 17090, 20353, 22217, 34180, 40706, 44434, 68360, 81412, 88868, 101765, 111085, 162824, 177736, 203530, 222170, 264589, 407060, 444340, 529178, 814120, 888680, 1058356, 1322945, 2116712, 2645890, 5291780, 10583560, 34783277, 69566554, 139133108, 173916385, 278266216, 347832770, 452182601, 695665540, 904365202, 1391331080, 1808730404, 2260913005, 3617460808, 4521826010, 9043652020, 18087304040]

約数ペア:

[(1, 18087304040), (2, 9043652020), (4, 4521826010), (5, 3617460808), (8, 2260913005), (10, 1808730404), (13, 1391331080), (20, 904365202), (26, 695665540), (40, 452182601), (52, 347832770), (65, 278266216), (104, 173916385), (130, 139133108), (260, 69566554), (520, 34783277), (1709, 10583560), (3418, 5291780), (6836, 2645890), (8545, 2116712), (13672, 1322945), (17090, 1058356), (20353, 888680), (22217, 814120), (34180, 529178), (40706, 444340), (44434, 407060), (68360, 264589), (81412, 222170), (88868, 203530), (101765, 177736), (111085, 162824)]