27696020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{131}}^1$

素因数の和:213

約数の個数: 72

約数和(自身を含む): 66062304

約数和(自身を除く): 38366284

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 131, 155, 220, 262, 310, 341, 524, 620, 655, 682, 961, 1310, 1364, 1441, 1705, 1922, 2620, 2882, 3410, 3844, 4061, 4805, 5764, 6820, 7205, 8122, 9610, 10571, 14410, 16244, 19220, 20305, 21142, 28820, 40610, 42284, 44671, 52855, 81220, 89342, 105710, 125891, 178684, 211420, 223355, 251782, 446710, 503564, 629455, 893420, 1258910, 1384801, 2517820, 2769602, 5539204, 6924005, 13848010, 27696020]

約数ペア:

[(1, 27696020), (2, 13848010), (4, 6924005), (5, 5539204), (10, 2769602), (11, 2517820), (20, 1384801), (22, 1258910), (31, 893420), (44, 629455), (55, 503564), (62, 446710), (110, 251782), (124, 223355), (131, 211420), (155, 178684), (220, 125891), (262, 105710), (310, 89342), (341, 81220), (524, 52855), (620, 44671), (655, 42284), (682, 40610), (961, 28820), (1310, 21142), (1364, 20305), (1441, 19220), (1705, 16244), (1922, 14410), (2620, 10571), (2882, 9610), (3410, 8122), (3844, 7205), (4061, 6820), (4805, 5764)]