28061540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2917}}^1$

素因数の和:2976

約数の個数: 48

約数和(自身を含む): 65199792

約数和(自身を除く): 37138252

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 481, 740, 962, 1924, 2405, 2917, 4810, 5834, 9620, 11668, 14585, 29170, 37921, 58340, 75842, 107929, 151684, 189605, 215858, 379210, 431716, 539645, 758420, 1079290, 1403077, 2158580, 2806154, 5612308, 7015385, 14030770, 28061540]

約数ペア:

[(1, 28061540), (2, 14030770), (4, 7015385), (5, 5612308), (10, 2806154), (13, 2158580), (20, 1403077), (26, 1079290), (37, 758420), (52, 539645), (65, 431716), (74, 379210), (130, 215858), (148, 189605), (185, 151684), (260, 107929), (370, 75842), (481, 58340), (740, 37921), (962, 29170), (1924, 14585), (2405, 11668), (2917, 9620), (4810, 5834)]