55407220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{5857}}^1$

素因数の和:5920

約数の個数: 48

約数和(自身を含む): 129907008

約数和(自身を除く): 74499788

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 860, 946, 1892, 2365, 4730, 5857, 9460, 11714, 23428, 29285, 58570, 64427, 117140, 128854, 251851, 257708, 322135, 503702, 644270, 1007404, 1259255, 1288540, 2518510, 2770361, 5037020, 5540722, 11081444, 13851805, 27703610, 55407220]

約数ペア:

[(1, 55407220), (2, 27703610), (4, 13851805), (5, 11081444), (10, 5540722), (11, 5037020), (20, 2770361), (22, 2518510), (43, 1288540), (44, 1259255), (55, 1007404), (86, 644270), (110, 503702), (172, 322135), (215, 257708), (220, 251851), (430, 128854), (473, 117140), (860, 64427), (946, 58570), (1892, 29285), (2365, 23428), (4730, 11714), (5857, 9460)]