40478020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:253

約数の個数: 96

約数和(自身を含む): 100154880

約数和(自身を除く): 59676860

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 79, 85, 110, 137, 158, 170, 187, 220, 274, 316, 340, 374, 395, 548, 685, 748, 790, 869, 935, 1343, 1370, 1507, 1580, 1738, 1870, 2329, 2686, 2740, 3014, 3476, 3740, 4345, 4658, 5372, 6028, 6715, 7535, 8690, 9316, 10823, 11645, 13430, 14773, 15070, 17380, 21646, 23290, 25619, 26860, 29546, 30140, 43292, 46580, 51238, 54115, 59092, 73865, 102476, 108230, 119053, 128095, 147730, 183991, 216460, 238106, 256190, 295460, 367982, 476212, 512380, 595265, 735964, 919955, 1190530, 1839910, 2023901, 2381060, 3679820, 4047802, 8095604, 10119505, 20239010, 40478020]

約数ペア:

[(1, 40478020), (2, 20239010), (4, 10119505), (5, 8095604), (10, 4047802), (11, 3679820), (17, 2381060), (20, 2023901), (22, 1839910), (34, 1190530), (44, 919955), (55, 735964), (68, 595265), (79, 512380), (85, 476212), (110, 367982), (137, 295460), (158, 256190), (170, 238106), (187, 216460), (220, 183991), (274, 147730), (316, 128095), (340, 119053), (374, 108230), (395, 102476), (548, 73865), (685, 59092), (748, 54115), (790, 51238), (869, 46580), (935, 43292), (1343, 30140), (1370, 29546), (1507, 26860), (1580, 25619), (1738, 23290), (1870, 21646), (2329, 17380), (2686, 15070), (2740, 14773), (3014, 13430), (3476, 11645), (3740, 10823), (4345, 9316), (4658, 8690), (5372, 7535), (6028, 6715)]