68284840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131317}}^1$

素因数の和:131341

約数の個数: 32

約数和(自身を含む): 165460680

約数和(自身を除く): 97175840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 131317, 262634, 525268, 656585, 1050536, 1313170, 1707121, 2626340, 3414242, 5252680, 6828484, 8535605, 13656968, 17071210, 34142420, 68284840]

約数ペア:

[(1, 68284840), (2, 34142420), (4, 17071210), (5, 13656968), (8, 8535605), (10, 6828484), (13, 5252680), (20, 3414242), (26, 2626340), (40, 1707121), (52, 1313170), (65, 1050536), (104, 656585), (130, 525268), (260, 262634), (520, 131317)]