55738540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19489}}^1$

素因数の和:19522

約数の個数: 48

約数和(自身を含む): 137521440

約数和(自身を除く): 81782900

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 19489, 38978, 77956, 97445, 194890, 214379, 253357, 389780, 428758, 506714, 857516, 1013428, 1071895, 1266785, 2143790, 2533570, 2786927, 4287580, 5067140, 5573854, 11147708, 13934635, 27869270, 55738540]

約数ペア:

[(1, 55738540), (2, 27869270), (4, 13934635), (5, 11147708), (10, 5573854), (11, 5067140), (13, 4287580), (20, 2786927), (22, 2533570), (26, 2143790), (44, 1266785), (52, 1071895), (55, 1013428), (65, 857516), (110, 506714), (130, 428758), (143, 389780), (220, 253357), (260, 214379), (286, 194890), (572, 97445), (715, 77956), (1430, 38978), (2860, 19489)]