39123560

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{19961}}^1$

素因数の和:19986

約数の個数: 48

約数和(自身を含む): 102405060

約数和(自身を除く): 63281500

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 19961, 39922, 79844, 99805, 139727, 159688, 199610, 279454, 399220, 558908, 698635, 798440, 978089, 1117816, 1397270, 1956178, 2794540, 3912356, 4890445, 5589080, 7824712, 9780890, 19561780, 39123560]

約数ペア:

[(1, 39123560), (2, 19561780), (4, 9780890), (5, 7824712), (7, 5589080), (8, 4890445), (10, 3912356), (14, 2794540), (20, 1956178), (28, 1397270), (35, 1117816), (40, 978089), (49, 798440), (56, 698635), (70, 558908), (98, 399220), (140, 279454), (196, 199610), (245, 159688), (280, 139727), (392, 99805), (490, 79844), (980, 39922), (1960, 19961)]