64518220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{10789}}^1$

素因数の和:10834

約数の個数: 48

約数和(自身を含む): 152268480

約数和(自身を除く): 87750260

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 230, 260, 299, 460, 598, 1196, 1495, 2990, 5980, 10789, 21578, 43156, 53945, 107890, 140257, 215780, 248147, 280514, 496294, 561028, 701285, 992588, 1240735, 1402570, 2481470, 2805140, 3225911, 4962940, 6451822, 12903644, 16129555, 32259110, 64518220]

約数ペア:

[(1, 64518220), (2, 32259110), (4, 16129555), (5, 12903644), (10, 6451822), (13, 4962940), (20, 3225911), (23, 2805140), (26, 2481470), (46, 1402570), (52, 1240735), (65, 992588), (92, 701285), (115, 561028), (130, 496294), (230, 280514), (260, 248147), (299, 215780), (460, 140257), (598, 107890), (1196, 53945), (1495, 43156), (2990, 21578), (5980, 10789)]