81180110

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{2917}}^1$

素因数の和:2969

約数の個数: 48

約数和(自身を含む): 167656608

約数和(自身を除く): 86476498

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 121, 230, 242, 253, 506, 605, 1210, 1265, 2530, 2783, 2917, 5566, 5834, 13915, 14585, 27830, 29170, 32087, 64174, 67091, 134182, 160435, 320870, 335455, 352957, 670910, 705914, 738001, 1476002, 1764785, 3529570, 3690005, 7380010, 8118011, 16236022, 40590055, 81180110]

約数ペア:

[(1, 81180110), (2, 40590055), (5, 16236022), (10, 8118011), (11, 7380010), (22, 3690005), (23, 3529570), (46, 1764785), (55, 1476002), (110, 738001), (115, 705914), (121, 670910), (230, 352957), (242, 335455), (253, 320870), (506, 160435), (605, 134182), (1210, 67091), (1265, 64174), (2530, 32087), (2783, 29170), (2917, 27830), (5566, 14585), (5834, 13915)]