68501320

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{55243}}^1$

素因数の和:55285

約数の個数: 32

約数和(自身を含む): 159102720

約数和(自身を除く): 90601400

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 55243, 110486, 220972, 276215, 441944, 552430, 1104860, 1712533, 2209720, 3425066, 6850132, 8562665, 13700264, 17125330, 34250660, 68501320]

約数ペア:

[(1, 68501320), (2, 34250660), (4, 17125330), (5, 13700264), (8, 8562665), (10, 6850132), (20, 3425066), (31, 2209720), (40, 1712533), (62, 1104860), (124, 552430), (155, 441944), (248, 276215), (310, 220972), (620, 110486), (1240, 55243)]