53488520

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{16111}}^1$

素因数の和:16205

約数の個数: 32

約数和(自身を含む): 121806720

約数和(自身を除く): 68318200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 16111, 32222, 64444, 80555, 128888, 161110, 322220, 644440, 1337213, 2674426, 5348852, 6686065, 10697704, 13372130, 26744260, 53488520]

約数ペア:

[(1, 53488520), (2, 26744260), (4, 13372130), (5, 10697704), (8, 6686065), (10, 5348852), (20, 2674426), (40, 1337213), (83, 644440), (166, 322220), (332, 161110), (415, 128888), (664, 80555), (830, 64444), (1660, 32222), (3320, 16111)]