8553740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{197}}^1$

素因数の和:386

約数の個数: 48

約数和(自身を含む): 19559232

約数和(自身を除く): 11005492

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 167, 197, 260, 334, 394, 668, 788, 835, 985, 1670, 1970, 2171, 2561, 3340, 3940, 4342, 5122, 8684, 10244, 10855, 12805, 21710, 25610, 32899, 43420, 51220, 65798, 131596, 164495, 328990, 427687, 657980, 855374, 1710748, 2138435, 4276870, 8553740]

約数ペア:

[(1, 8553740), (2, 4276870), (4, 2138435), (5, 1710748), (10, 855374), (13, 657980), (20, 427687), (26, 328990), (52, 164495), (65, 131596), (130, 65798), (167, 51220), (197, 43420), (260, 32899), (334, 25610), (394, 21710), (668, 12805), (788, 10855), (835, 10244), (985, 8684), (1670, 5122), (1970, 4342), (2171, 3940), (2561, 3340)]