20133149840

素因数分解:

$2^4\times 5^1\times {\mathrm{3923}}^1\times {\mathrm{64151}}^1$

素因数の和:68087

約数の個数: 40

約数和(自身を含む): 46822235328

約数和(自身を除く): 26689085488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3923, 7846, 15692, 19615, 31384, 39230, 62768, 64151, 78460, 128302, 156920, 256604, 313840, 320755, 513208, 641510, 1026416, 1283020, 2566040, 5132080, 251664373, 503328746, 1006657492, 1258321865, 2013314984, 2516643730, 4026629968, 5033287460, 10066574920, 20133149840]

約数ペア:

[(1, 20133149840), (2, 10066574920), (4, 5033287460), (5, 4026629968), (8, 2516643730), (10, 2013314984), (16, 1258321865), (20, 1006657492), (40, 503328746), (80, 251664373), (3923, 5132080), (7846, 2566040), (15692, 1283020), (19615, 1026416), (31384, 641510), (39230, 513208), (62768, 320755), (64151, 313840), (78460, 256604), (128302, 156920)]