128512340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{20143}}^1$

素因数の和:20192

約数の個数: 48

約数和(自身を含む): 304577280

約数和(自身を除く): 176064940

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 145, 220, 290, 319, 580, 638, 1276, 1595, 3190, 6380, 20143, 40286, 80572, 100715, 201430, 221573, 402860, 443146, 584147, 886292, 1107865, 1168294, 2215730, 2336588, 2920735, 4431460, 5841470, 6425617, 11682940, 12851234, 25702468, 32128085, 64256170, 128512340]

約数ペア:

[(1, 128512340), (2, 64256170), (4, 32128085), (5, 25702468), (10, 12851234), (11, 11682940), (20, 6425617), (22, 5841470), (29, 4431460), (44, 2920735), (55, 2336588), (58, 2215730), (110, 1168294), (116, 1107865), (145, 886292), (220, 584147), (290, 443146), (319, 402860), (580, 221573), (638, 201430), (1276, 100715), (1595, 80572), (3190, 40286), (6380, 20143)]