4080660040

素因数分解:

$2^3\times 5^1\times {\mathrm{811}}^1\times {\mathrm{125791}}^1$

素因数の和:126613

約数の個数: 32

約数和(自身を含む): 9192879360

約数和(自身を除く): 5112219320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 811, 1622, 3244, 4055, 6488, 8110, 16220, 32440, 125791, 251582, 503164, 628955, 1006328, 1257910, 2515820, 5031640, 102016501, 204033002, 408066004, 510082505, 816132008, 1020165010, 2040330020, 4080660040]

約数ペア:

[(1, 4080660040), (2, 2040330020), (4, 1020165010), (5, 816132008), (8, 510082505), (10, 408066004), (20, 204033002), (40, 102016501), (811, 5031640), (1622, 2515820), (3244, 1257910), (4055, 1006328), (6488, 628955), (8110, 503164), (16220, 251582), (32440, 125791)]