85190170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{21139}}^1$

素因数の和:21190

約数の個数: 32

約数和(自身を含む): 170472960

約数和(自身を除く): 85282790

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 21139, 42278, 105695, 211390, 274807, 549614, 655309, 1310618, 1374035, 2748070, 3276545, 6553090, 8519017, 17038034, 42595085, 85190170]

約数ペア:

[(1, 85190170), (2, 42595085), (5, 17038034), (10, 8519017), (13, 6553090), (26, 3276545), (31, 2748070), (62, 1374035), (65, 1310618), (130, 655309), (155, 549614), (310, 274807), (403, 211390), (806, 105695), (2015, 42278), (4030, 21139)]