27286820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{4001}}^1$

素因数の和:4052

約数の個数: 48

約数和(自身を含む): 64544256

約数和(自身を除く): 37257436

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 3410, 4001, 6820, 8002, 16004, 20005, 40010, 44011, 80020, 88022, 124031, 176044, 220055, 248062, 440110, 496124, 620155, 880220, 1240310, 1364341, 2480620, 2728682, 5457364, 6821705, 13643410, 27286820]

約数ペア:

[(1, 27286820), (2, 13643410), (4, 6821705), (5, 5457364), (10, 2728682), (11, 2480620), (20, 1364341), (22, 1240310), (31, 880220), (44, 620155), (55, 496124), (62, 440110), (110, 248062), (124, 220055), (155, 176044), (220, 124031), (310, 88022), (341, 80020), (620, 44011), (682, 40010), (1364, 20005), (1705, 16004), (3410, 8002), (4001, 6820)]