201340320040

素因数分解:

$2^3\times 5^1\times {\mathrm{9781}}^1\times {\mathrm{514621}}^1$

素因数の和:524413

約数の個数: 32

約数和(自身を含む): 453062916360

約数和(自身を除く): 251722596320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 9781, 19562, 39124, 48905, 78248, 97810, 195620, 391240, 514621, 1029242, 2058484, 2573105, 4116968, 5146210, 10292420, 20584840, 5033508001, 10067016002, 20134032004, 25167540005, 40268064008, 50335080010, 100670160020, 201340320040]

約数ペア:

[(1, 201340320040), (2, 100670160020), (4, 50335080010), (5, 40268064008), (8, 25167540005), (10, 20134032004), (20, 10067016002), (40, 5033508001), (9781, 20584840), (19562, 10292420), (39124, 5146210), (48905, 4116968), (78248, 2573105), (97810, 2058484), (195620, 1029242), (391240, 514621)]