51880940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{461}}^1$

素因数の和:818

約数の個数: 48

約数和(自身を含む): 115958304

約数和(自身を除く): 64077364

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 331, 340, 461, 662, 922, 1324, 1655, 1844, 2305, 3310, 4610, 5627, 6620, 7837, 9220, 11254, 15674, 22508, 28135, 31348, 39185, 56270, 78370, 112540, 152591, 156740, 305182, 610364, 762955, 1525910, 2594047, 3051820, 5188094, 10376188, 12970235, 25940470, 51880940]

約数ペア:

[(1, 51880940), (2, 25940470), (4, 12970235), (5, 10376188), (10, 5188094), (17, 3051820), (20, 2594047), (34, 1525910), (68, 762955), (85, 610364), (170, 305182), (331, 156740), (340, 152591), (461, 112540), (662, 78370), (922, 56270), (1324, 39185), (1655, 31348), (1844, 28135), (2305, 22508), (3310, 15674), (4610, 11254), (5627, 9220), (6620, 7837)]