1277327740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1321}}^1\times {\mathrm{3719}}^1$

素因数の和:5062

約数の個数: 48

約数和(自身を含む): 2891689920

約数和(自身を除く): 1614362180

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1321, 2642, 3719, 5284, 6605, 7438, 13210, 14876, 17173, 18595, 26420, 34346, 37190, 48347, 68692, 74380, 85865, 96694, 171730, 193388, 241735, 343460, 483470, 966940, 4912799, 9825598, 19651196, 24563995, 49127990, 63866387, 98255980, 127732774, 255465548, 319331935, 638663870, 1277327740]

約数ペア:

[(1, 1277327740), (2, 638663870), (4, 319331935), (5, 255465548), (10, 127732774), (13, 98255980), (20, 63866387), (26, 49127990), (52, 24563995), (65, 19651196), (130, 9825598), (260, 4912799), (1321, 966940), (2642, 483470), (3719, 343460), (5284, 241735), (6605, 193388), (7438, 171730), (13210, 96694), (14876, 85865), (17173, 74380), (18595, 68692), (26420, 48347), (34346, 37190)]