1330804520

素因数分解:

$2^3\times 5^1\times {\mathrm{661}}^1\times {\mathrm{50333}}^1$

素因数の和:51005

約数の個数: 32

約数和(自身を含む): 2998899720

約数和(自身を除く): 1668095200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 661, 1322, 2644, 3305, 5288, 6610, 13220, 26440, 50333, 100666, 201332, 251665, 402664, 503330, 1006660, 2013320, 33270113, 66540226, 133080452, 166350565, 266160904, 332701130, 665402260, 1330804520]

約数ペア:

[(1, 1330804520), (2, 665402260), (4, 332701130), (5, 266160904), (8, 166350565), (10, 133080452), (20, 66540226), (40, 33270113), (661, 2013320), (1322, 1006660), (2644, 503330), (3305, 402664), (5288, 251665), (6610, 201332), (13220, 100666), (26440, 50333)]