64772540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{3643}}^1$

素因数の和:3786

約数の個数: 48

約数和(自身を含む): 156721152

約数和(自身を除く): 91948612

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 127, 140, 254, 508, 635, 889, 1270, 1778, 2540, 3556, 3643, 4445, 7286, 8890, 14572, 17780, 18215, 25501, 36430, 51002, 72860, 102004, 127505, 255010, 462661, 510020, 925322, 1850644, 2313305, 3238627, 4626610, 6477254, 9253220, 12954508, 16193135, 32386270, 64772540]

約数ペア:

[(1, 64772540), (2, 32386270), (4, 16193135), (5, 12954508), (7, 9253220), (10, 6477254), (14, 4626610), (20, 3238627), (28, 2313305), (35, 1850644), (70, 925322), (127, 510020), (140, 462661), (254, 255010), (508, 127505), (635, 102004), (889, 72860), (1270, 51002), (1778, 36430), (2540, 25501), (3556, 18215), (3643, 17780), (4445, 14572), (7286, 8890)]