156978889720

素因数分解:

$2^3\times 5^1\times {\mathrm{1093}}^1\times {\mathrm{3590551}}^1$

素因数の和:3591655

約数の個数: 32

約数和(自身を含む): 353525749920

約数和(自身を除く): 196546860200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1093, 2186, 4372, 5465, 8744, 10930, 21860, 43720, 3590551, 7181102, 14362204, 17952755, 28724408, 35905510, 71811020, 143622040, 3924472243, 7848944486, 15697888972, 19622361215, 31395777944, 39244722430, 78489444860, 156978889720]

約数ペア:

[(1, 156978889720), (2, 78489444860), (4, 39244722430), (5, 31395777944), (8, 19622361215), (10, 15697888972), (20, 7848944486), (40, 3924472243), (1093, 143622040), (2186, 71811020), (4372, 35905510), (5465, 28724408), (8744, 17952755), (10930, 14362204), (21860, 7181102), (43720, 3590551)]