205620740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{19289}}^1$

素因数の和:19352

約数の個数: 48

約数和(自身を含む): 476385840

約数和(自身を除く): 270765100

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 205, 260, 410, 533, 820, 1066, 2132, 2665, 5330, 10660, 19289, 38578, 77156, 96445, 192890, 250757, 385780, 501514, 790849, 1003028, 1253785, 1581698, 2507570, 3163396, 3954245, 5015140, 7908490, 10281037, 15816980, 20562074, 41124148, 51405185, 102810370, 205620740]

約数ペア:

[(1, 205620740), (2, 102810370), (4, 51405185), (5, 41124148), (10, 20562074), (13, 15816980), (20, 10281037), (26, 7908490), (41, 5015140), (52, 3954245), (65, 3163396), (82, 2507570), (130, 1581698), (164, 1253785), (205, 1003028), (260, 790849), (410, 501514), (533, 385780), (820, 250757), (1066, 192890), (2132, 96445), (2665, 77156), (5330, 38578), (10660, 19289)]