40654784

素因数分解:

$2^6\times {\mathrm{641}}^1\times {\mathrm{991}}^1$

素因数の和:1644

約数の個数: 28

約数和(自身を含む): 80881728

約数和(自身を除く): 40226944

約数列:

[1, 2, 4, 8, 16, 32, 64, 641, 991, 1282, 1982, 2564, 3964, 5128, 7928, 10256, 15856, 20512, 31712, 41024, 63424, 635231, 1270462, 2540924, 5081848, 10163696, 20327392, 40654784]

約数ペア:

[(1, 40654784), (2, 20327392), (4, 10163696), (8, 5081848), (16, 2540924), (32, 1270462), (64, 635231), (641, 63424), (991, 41024), (1282, 31712), (1982, 20512), (2564, 15856), (3964, 10256), (5128, 7928)]