201658502440

素因数分解:

$2^3\times 5^1\times {\mathrm{21023}}^1\times {\mathrm{239807}}^1$

素因数の和:260841

約数の個数: 32

約数和(自身を含む): 453755105280

約数和(自身を除く): 252096602840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 21023, 42046, 84092, 105115, 168184, 210230, 239807, 420460, 479614, 840920, 959228, 1199035, 1918456, 2398070, 4796140, 9592280, 5041462561, 10082925122, 20165850244, 25207312805, 40331700488, 50414625610, 100829251220, 201658502440]

約数ペア:

[(1, 201658502440), (2, 100829251220), (4, 50414625610), (5, 40331700488), (8, 25207312805), (10, 20165850244), (20, 10082925122), (40, 5041462561), (21023, 9592280), (42046, 4796140), (84092, 2398070), (105115, 1918456), (168184, 1199035), (210230, 959228), (239807, 840920), (420460, 479614)]