18420110540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5531}}^1\times {\mathrm{12809}}^1$

素因数の和:18362

約数の個数: 48

約数和(自身を含む): 41668572960

約数和(自身を除く): 23248462420

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 5531, 11062, 12809, 22124, 25618, 27655, 51236, 55310, 64045, 71903, 110620, 128090, 143806, 166517, 256180, 287612, 333034, 359515, 666068, 719030, 832585, 1438060, 1665170, 3330340, 70846579, 141693158, 283386316, 354232895, 708465790, 921005527, 1416931580, 1842011054, 3684022108, 4605027635, 9210055270, 18420110540]

約数ペア:

[(1, 18420110540), (2, 9210055270), (4, 4605027635), (5, 3684022108), (10, 1842011054), (13, 1416931580), (20, 921005527), (26, 708465790), (52, 354232895), (65, 283386316), (130, 141693158), (260, 70846579), (5531, 3330340), (11062, 1665170), (12809, 1438060), (22124, 832585), (25618, 719030), (27655, 666068), (51236, 359515), (55310, 333034), (64045, 287612), (71903, 256180), (110620, 166517), (128090, 143806)]