144249640

素因数分解:

$2^3\times 5^1\times {\mathrm{1019}}^1\times {\mathrm{3539}}^1$

素因数の和:4569

約数の個数: 32

約数和(自身を含む): 324972000

約数和(自身を除く): 180722360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1019, 2038, 3539, 4076, 5095, 7078, 8152, 10190, 14156, 17695, 20380, 28312, 35390, 40760, 70780, 141560, 3606241, 7212482, 14424964, 18031205, 28849928, 36062410, 72124820, 144249640]

約数ペア:

[(1, 144249640), (2, 72124820), (4, 36062410), (5, 28849928), (8, 18031205), (10, 14424964), (20, 7212482), (40, 3606241), (1019, 141560), (2038, 70780), (3539, 40760), (4076, 35390), (5095, 28312), (7078, 20380), (8152, 17695), (10190, 14156)]