83136740

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{461}}^1$

素因数の和:668

約数の個数: 48

約数和(自身を含む): 178827264

約数和(自身を除く): 95690524

約数列:

[1, 2, 4, 5, 10, 20, 71, 127, 142, 254, 284, 355, 461, 508, 635, 710, 922, 1270, 1420, 1844, 2305, 2540, 4610, 9017, 9220, 18034, 32731, 36068, 45085, 58547, 65462, 90170, 117094, 130924, 163655, 180340, 234188, 292735, 327310, 585470, 654620, 1170940, 4156837, 8313674, 16627348, 20784185, 41568370, 83136740]

約数ペア:

[(1, 83136740), (2, 41568370), (4, 20784185), (5, 16627348), (10, 8313674), (20, 4156837), (71, 1170940), (127, 654620), (142, 585470), (254, 327310), (284, 292735), (355, 234188), (461, 180340), (508, 163655), (635, 130924), (710, 117094), (922, 90170), (1270, 65462), (1420, 58547), (1844, 45085), (2305, 36068), (2540, 32731), (4610, 18034), (9017, 9220)]