40987804

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{547}}^1$

素因数の和:706

約数の個数: 48

約数和(自身を含む): 85067136

約数和(自身を除く): 44079332

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 131, 143, 262, 286, 524, 547, 572, 1094, 1441, 1703, 2188, 2882, 3406, 5764, 6017, 6812, 7111, 12034, 14222, 18733, 24068, 28444, 37466, 71657, 74932, 78221, 143314, 156442, 286628, 312884, 788227, 931541, 1576454, 1863082, 3152908, 3726164, 10246951, 20493902, 40987804]

約数ペア:

[(1, 40987804), (2, 20493902), (4, 10246951), (11, 3726164), (13, 3152908), (22, 1863082), (26, 1576454), (44, 931541), (52, 788227), (131, 312884), (143, 286628), (262, 156442), (286, 143314), (524, 78221), (547, 74932), (572, 71657), (1094, 37466), (1441, 28444), (1703, 24068), (2188, 18733), (2882, 14222), (3406, 12034), (5764, 7111), (6017, 6812)]